Quality Management System
ISO 9001:2015
Audited scope covers the design, manufacturing and export sales of woven polypropylene bulk containers.
Request a copy →
ISO 9001:2015 · CE · TÜV · SGS · 100% Traceable
Rigorous Testing.
Unambiguous Compliance Boundaries.
Real trust is earned through verifiable data, not vague blanket certificates. We clearly separate internal batch proofing from accredited third-party validation (SGS, TÜV, National Testing Centers) and explicitly define the exact product specification, safety factor, and operational limits of every report.
- ISO 9001 Quality Management Certified
- Cyclic Top-Lift 5:1 & 6:1 Protocols
- Transparent Third-Party Lab Reports (SGS / TÜV)
- Zero False or Unverified Regulatory Claims
Safety Factors
5:1 / 6:1
Virgin Polypropylene
100%
Audited System
ISO 9001
10000
kgf
Top Lift Rig Capacity
Calibrated in-house hydraulic cyclic test frame capable of validating heavy single-trip and multi-trip bulk containers.
70
%+
UV Strength Retention
ASTM G154 accelerated weathering protocol, holding a minimum 50% tensile retention after standard UV cycles.
100
%
Virgin PP Verification
Strict batch MFI and molecular consistency checks with zero recycled plastic permitted anywhere in critical load-bearing fabric.
24
Mo
Report & Sample Retention
All batch inspection records, mill certificates, and physical swatch swatches systematically retained for complete traceability.
Clear Division of Responsibilities
In-House Quality Testing vs. Third-Party Accreditation
We never substitute routine factory internal checks for statutory third-party test certifications, and we never make generic promises without project-specific test validation.
Continuous Daily Verification
In-House Factory Testing Lab
Conducted at our factory on every production batch to verify baseline physical and mechanical properties.
-
Fabric & Webbing Tensile / Elongation Electronic tensile rig checks warp & weft tensile strength (N/5cm) and elongation percentage for each weaving roll.
-
Grammage & Coating Adhesion (GSM / Micron) Digital round-sample GSM cut balance and peeling test verifying uniform PP/PE coating without delamination.
-
Hydraulic Top Lift Proofing Dynamic cyclic proof loading on finished bag prototypes and periodic batch samples up to target SWL.
-
Seam Shear & Sift-Resistance Proofing Testing chain-stitch + overlock seams and filler-cord sealing under mechanical pressure.
-
Dimensional & Sewing Tolerance Patrols 100% finished bag dimension verification, loop free height, and discharge spout alignment against locked drawings.
Boundary: In-house tests provide immediate process control but cannot replace regulatory third-party certifications when mandated by international authorities or hazardous cargo transport laws.
Accredited Independent Labs
Third-Party External Testing
Executed by accredited authorities (SGS, TÜV and national packaging testing centres) per project scope.
-
Cyclic Top-Lift Certification (TÜV / Accredited Lab) Formal 5:1 (Single Trip) or 6:1 (Multi-Trip) cyclic top lift certification with official certificate and test report number.
-
UN Dangerous Goods Certification Drop test, topple test, righting test, tear test, stacking test, and official UN marking code (e.g., 13H2 / 13H4).
-
IEC 61340-4-4 Electrostatic Testing (Type B / Type C) Breakdown voltage (< 6 kV for Type B) and ground resistance (< 10^8 Ω for Type C). Type C is produced in limited quantities.
-
ASTM G154 / ISO 4892 Accelerated UV Weathering Standard 200h to 1200h fluorescent UV/condensation cycles documenting fabric and strap residual strength percentage.
Protocol: Every third-party test report is strictly tied to a specific bag construction, fabric GSM, and sewing geometry. It cannot be blindly transferred across different models.
Certifications
Certificates We Hold
Ten documents stand behind the process claims on this page: the management-system and product certificates, then the stacking, lifting, UV and dangerous-goods test reports. Copies carrying the registration number, issuing body and validity dates are supplied on request.
EU Conformity Marking
CE
Conformity marking held for the European market; the declaration covers the models named in the certificate.
Request a copy →
Third-Party Certification
TÜV
Certification issued by TÜV, held for the constructions named in the certificate scope.
Request a copy →
Third-Party Component Test
SGS Fabric Component Test Report
Component testing of the base fabric, coating and seams, reported by SGS against the specification agreed for the project.
Request a copy →
Third-Party Inspection
SGS Preshipment Inspection
Inspection of the finished bags before loading — quantity, dimensions, workmanship and marking — witnessed and reported by SGS.
Request a copy →
Load Test Report
Stacking Test
A filled bag held under stack load for the storage period the consignment is planned for, recorded as a compression test report.
Request a copy →
Lifting Test Report
Cyclic Top Lift Test 5:1
A top-lift cycle at a 5:1 safety factor, the case a single-trip bag is designed and released against.
Request a copy →
Lifting Test Report
Cyclic Top Lift Test 6:1
Repeated top-lift cycles at a 6:1 safety factor, which is the case a multi-trip bag has to pass rather than the 5:1 single-trip one.
Request a copy →
Fabric Test Report
Fabric UV Test
UV exposure of the woven fabric with the retained strength measured afterwards, reported against the exposure the consignment actually sees.
Request a copy →
Dangerous Goods Packaging
UN Test Report
Test report for flexible IBCs (13H) carrying dangerous goods, covering the tests required for the packing group named in the report.
Request a copy →Certificates are issued against the scope printed on them. A certificate for one construction does not extend to another model, fabric GSM or sewing geometry.
Testing Scope Catalog
Testing Scope & Boundary Catalog
Each tab is a protocol we run or a limit we state: the method, the acceptance threshold, and exactly where the result stops being valid.
5:1
Single-Trip Cyclic
6:1
Multi-Trip Standard
10,000 kgf
Rig Capacity
In-House Test Protocol
Cyclic Top-Lift, Drop & Topple Proofing
Bags fail at the loops, the seams or the base rather than in the middle of the fabric. Every prototype and every batch sample is loaded through repeated cycles on our own frame and then pulled to failure, so the weak point is found before the first container is filled.
| Evaluation Dimension | Protocol & Acceptance Threshold |
|---|---|
| Cyclic Top Lift (5:1) | 30 cyclic loads at 2 × SWL, then a final pull to 5 × SWL without loss of contents. |
| Cyclic Top Lift (6:1) | 70 cyclic loads at 4 × SWL, then a continuous pull beyond 6 × SWL for multi-trip construction. |
| Applicable Models | U-Panel, 4-Panel, Circular and Baffle bags with cross-corner or side-seam loops. |
| Verification Boundary | Results are geometry-specific: changing loop height, fabric GSM or seam construction requires a new test. |
UN 13H2/3/4
Design Codes
Group II & III
Packaging Classes (Y & Z)
6-Regime
Destructive Tests
Dangerous Goods Transport
UN Packaging for Hazardous Materials (ADR / IMDG / RID)
Bulk containers for hazardous solid chemicals, minerals or regulated goods must comply with the United Nations Recommendations on the Transport of Dangerous Goods (Orange Book) through official state-accredited inspection agencies.
| Evaluation Dimension | Protocol & Acceptance Threshold |
|---|---|
| Drop Test (1.2m / 0.8m) | Full container dropped onto a rigid concrete target at the designated height for Packaging Group II (Y) or III (Z). Zero discharge. |
| Topple & Righting Test | FIBC tipped over from standing position and restored to upright via single or paired lift loops without seam failure. |
| Tear & Stacking Test | 100 mm knife puncture sustaining 2 × SWL load without propagating, plus a 28-day 1.8 × superimposed stacking load. |
| Strict Project Rule | UN marks are tied to specific hazardous cargo classifications and the exact bag construction. They are never applied to generic commercial models. |
< 6 kV
Type B Breakdown
< 10^8 Ω
Type C Grounding Path
No Type D
Not Produced Here
Hazardous Atmosphere Protection
Electrostatic Classification: Type A, Type B & Type C
Combustible powders and flammable vapour atmospheres need the discharge path to be known before the bag is filled or emptied. We build Type A and Type B as standard, and Type C in limited quantities.
| Evaluation Dimension | Protocol & Acceptance Threshold |
|---|---|
| Type A (Standard) | Plain insulating PP fabric without static protection. Safe only for non-combustible powders in non-flammable atmospheres. |
| Type B (Breakdown Voltage) | Low breakdown voltage (< 6 kV) preventing propagating brush discharges. Suitable for dusts with MIE > 3 mJ where no flammable solvents are present. |
| Type C (Groundable) | Interwoven conductive yarns with point-to-ground resistance < 1.0 × 10^8 Ω. Produced in limited quantities; grounding is mandatory during filling and emptying. |
| Type D (Dissipative) | Not produced at this facility. |
200-1200 h
Exposure Cycles
≥ 50%
Standard Tensile Retention
HALS Additive
High-Grade Masterbatch
Outdoor Solar Degradation Resistance
UV Weathering: ASTM G154 / ISO 4892
Polypropylene degrades under solar ultraviolet radiation. We compound virgin resin with calibrated hindered amine light stabilisers (HALS) and run artificial weathering so that outdoor handling and storage are specified from measured retention, not from habit.
| Evaluation Dimension | Protocol & Acceptance Threshold |
|---|---|
| Exposure Regimen | Fluorescent UV/condensation cycles from 200 h to 1,200 h, selected against the storage the consignment actually faces. |
| Retest Method | Residual tensile strength and elongation measured on exposed fabric against unexposed control samples from the same roll. |
| Additive Package | Hindered amine light stabilisers dosed in the tape and verified against the batch masterbatch record. |
| Verification Boundary | Accelerated cycles rank constructions against each other; they do not predict a service life in a specific climate. |
1 Model
Per Report
Per Batch
In-House Scope
On Request
Third-Party Scope
Explicit Limits
The Limits of These Protocols
A certificate or a test report is worth exactly what its scope says. These are the limits we state before an order is placed, not after a claim has been raised.
| Evaluation Dimension | Protocol & Acceptance Threshold |
|---|---|
| In-House vs Statutory | In-house tests give process control on every batch. They do not replace a statutory third-party certificate where a market or a carrier requires one. |
| Report Transferability | A report is tied to one construction, fabric GSM and sewing geometry. It cannot be transferred to another model. |
| Certification Scope | ISO 9001:2015, CE, TÜV and SGS are held as shown above. Any further standard a buyer requires is quoted as a separate project scope. |
| Application Limits | Type D dissipative bags are not produced at this facility. Type C is supplied in limited quantities, subject to an MIE review of the powder. |
Anatomy of a Legitimate Test Report
Zero Ambiguity: What Every Compliance Dossier Must Contain
According to our quality governance system (§12.3), every test document sent to clients specifies these exact seven mandatory technical checkpoints.
Verified Specification Match
01
Evidence Name & Nature
Identifies whether the file is an accredited third-party type approval certificate, an internal batch QC sheet, or a material mill test certificate (MTC).
Type Approval / Batch Release
02
Exact Product & Specification
Explicitly locks the evaluated bag dimensions (e.g. 90x90x110cm), fabric GSM (e.g. 180+30g), loop type (Cross-corner 4x30cm), and SWL/SF rating.
Model-Bound Specifics
03
Standardized Test Methodology
Cites the reference protocol and acceptance threshold it was tested against (e.g. in-house cyclic top lift, ASTM G154 fluorescent UV, or a UN drop test).
ISO / ASTM / EN Rules
04
Independent Issuer & Lab Accreditation
Lists the certified laboratory entity (e.g. TÜV Rheinland, SGS-CSTC, National Center for Inspection of Packagings) and its ISO/IEC 17025 registration.
CNAS / DAkkS Accredited
05
Issue Date & Surveillance Validity
Documents exact test execution date, certificate issue date, and mandatory re-evaluation or standard revision date to prevent expired citations.
Active & Unexpired
06
Technical Scope & Stated Limitations
Clearly marks non-evaluated boundaries (e.g., Valid for dry granules only; Not certified for combustible dusts or dangerous chemicals without UN protocol).
Transparent Boundaries
Rigorous Commercial Ethics
Commercial Governance: What We Guarantee vs. What Requires Project Review
In strict accordance with our Business Operating Manual (§7.4-§7.6), we believe industrial trust begins with declaring exact capabilities before receiving purchase orders.
Quality System & Certification
ISO 9001:2015, CE, TÜV & SGS
What We Hold:
- ISO 9001:2015 quality management system, audited annually
- CE conformity marking
- TÜV third-party certification
- SGS inspection and test reports
System Boundaries:
- Each certificate is valid for the scope printed on it, not for the whole catalogue
- A quality-system certificate governs process control; it is not a product test report for a batch
- Any further standard a buyer requires is quoted as a separate project scope
Hazmat Packaging
UN Certified Containers
Guaranteed Capabilities:
- Custom engineering for UN 13H2, 13H3, and 13H4 designs
- Full destructive testing arranged at certified state labs
- Drop, topple, righting, tear, and stacking proofing
- Official UN certificate & embossed marking issuance
System Boundaries:
- Does NOT claim all standard catalog bags carry UN certification
- UN test results are strictly non-transferable across specs
- Requires material SDS & dangerous goods class confirmation
Atmospheric Safety
Anti-Static (Type A/B/C)
Guaranteed Capabilities:
- Standard Type A bags produced under strict quality control
- Type B fabric voltage breakdown testing (<6kV)
- Type C conductive carbon/copper yarn interconnectivity
- Electrical continuity check on 100% of finished Type C bags
- Type C supplied in limited quantities, per project
System Boundaries:
- Type D (dissipative) is not produced at this facility
- Requires minimum ignition energy (MIE) review of client powder
- Grounding protocol confirmation mandatory prior to order
Interactive Verification Tool
Test Report Validity & Requirement Simulator
Select your operating industry, cargo classification, and intended handling environment to see which testing regimens and certificates apply to your bulk container specification.
Recommended Protocol
5:1 Single-Trip Cyclic Load Protocol
Applicable Testing Standard:
In-House Cyclic Top Lift & Tear Test
Required Lab Evidence:
TÜV or Accredited Rig 30-Cycle 2x SWL + 5x SWL Pull Test Report
In-House Factory Controls:
100% Virgin PP MFI check, Fabric/Loop Tensile test, Batch Traceability
Mandatory Boundary / Caveat:
Standard non-hazardous goods only; not suitable for Class 9 chemicals
Clear Engineering Options
In-Stock Benchmark Samples vs. Custom Engineered Prototypes
Choose the sampling path that best matches your immediate project milestone: rapid material quality evaluation or comprehensive on-site operational testing.
Speed & Fabric Verification
In-Stock Reference Samples
FREE
(1-2 Pieces · Client covers courier)
Immediate delivery of standard factory inventory bags. Ideal for inspecting virgin PP weave quality, yarn tenacity, tactile feel, coating lamination, and sewing craftsmanship.
- Turnaround Time: Dispatched within 24 to 48 hours
- Sample Cost: Free of charge for 1-2 standard units
- Courier Logistics: DHL, FedEx, UPS (Client account or pre-paid)
- What it Validates: Fabric GSM, yarn strength, coating, loop texture, basic sewing
- Limitation: May not match your exact dimensions, nozzle diameter, or artwork
100% Tailored to Your Specification
Custom Prototyping Specimen
At Cost · 100% Reimbursable
(Credited on full container order)
Individually engineered and crafted to your exact technical drawings: exact dimensions, specific GSM fabric, custom loop free-height, tailored spout diameters, sift-proof seams, and printed logos.
- Turnaround Time: 5 to 8 business days (7-10d for complex liners)
- Sample Cost: Tooling, plate, and material cost (reimbursable against mass PO)
- Courier Logistics: Express priority air delivery directly to your plant
- What it Validates: Filling chute fit, forklift clearance, discharge speed, full SWL test
- Key Benefit: Becomes the legally locked "Golden Sample" for bulk manufacturing
Zero Discrepancy Protocol
5-Stage Sample-to-Mass Production Lifecycle
In strict accordance with our Business Operating Manual (§14.3 & §14.5), every sample follows a closed-loop engineering path to eliminate version drift and guarantee 100% repeatability in mass production.
01
Alignment
Pre-Production Purpose Alignment
Before cutting fabric, we confirm the exact validation objective: dimensions, bulk material density, filling mechanism, forklift loop geometry, or certified test proofing.
Output: Signed Pre-Sample Specification Sheet
02
Fabrication
Sample ID Registration & Tailoring
A unique serial number (e.g. QF-SMP-XXXX) is issued. Master tailors cut and stitch the bag strictly using certified virgin PP yarn, designated GSM fabric, and approved thread.
Output: Serialized Prototype + Physical Swatch Archive
03
Dispatch & Test
Express Dispatch & Client Field Trials
Specimen dispatched via air express with full tracking. Client tests prototype under actual plant conditions: material loading, forklift handling, outdoor stacking, and discharge flow.
Output: Air Waybill + Client Field Testing Checklist
04
Sign-Off
Multi-Parameter Written Sign-Off
We reject generic "sample approved" emails. Client signs a comprehensive sign-off locking exact dimensions, fabric weight, loop free height, spout ties, and acceptable tolerances.
Output: Formal Approved Sample Confirmation Document
05
Mass Binding
Mass Production Work Order Binding
The confirmed Sample ID is embedded into the master Proforma Invoice (PI) and production BOM. Workshop operators reference physical golden counter-samples on the line.
Output: 100% Consistency Guaranteed Across 100,000+ Bags
Practical Engineering Best Practices
How Clients Should Test FIBC Samples on Site
To ensure complete peace of mind before confirming high-volume orders, we recommend our buyers execute these 5 practical handling trials upon receiving prototype bags.
1. Dimensional & Volumetric Verification
Fill the container with your target bulk density material. Measure final loaded base footprint (W x L) and vertical height. Confirm bag maintains stable geometry without excessive belly bulging.
Key Checkpoint:
Fits standard shipping pallet footprint (1100x1100 or 1200x1000mm) without overhang.
2. Forklift & Crane Rigging Clearance
Engage all 4 lifting loops with your standard forklift tines or overhead crane spreader beam. Check loop free opening height, ease of tine insertion, and loop vertical balance under full payload.
Key Checkpoint:
Operator can effortlessly engage loops without manual assistance; zero seam tear at corner joints.
3. Filling Station Chute & Tie Alignment
Mount top filling spout onto your automatic or pneumatic filling chute. Test chute diameter clamping, dust seal tightness, inflation air-release vents, and tie ribbon knot security.
Key Checkpoint:
Zero powder billowing or blow-back; filling spout clamps securely without slippage.
4. Discharge Spout & Flow Evacuation
Untie bottom discharge spout flap and inner draw-cord while suspended over the intake hopper. Validate free gravimetric flow rate, complete evacuation, and zero material bridging in corners.
Key Checkpoint:
Safe untying procedure; smooth full discharge with minimum residue remaining in container.
5. 2-High / 3-High Static Stacking Stability
Stack two filled bags (or three with baffle bags) in your warehouse for 48 hours. Observe whether lower container withstands superimposed compressive load without tilting or seam deformation.
Key Checkpoint:
Vertical plumb alignment retained; zero creep or structural collapse under static load.
6. Environmental Sift & Moisture Resistance
For fine powders (cement, starch, talc) or outdoor transport, check sift-proof felt cord seam sealing and laminated coating adhesion under rough transit vibrations.
Key Checkpoint:
Zero needle-hole powder leakage; coating resists delamination after mechanical handling.
Risk Mitigation Principles
Which Items MUST Be Tested Before Bulk Extrusion?
According to our engineering governance, these technical parameters carry zero tolerance for assumptions and must be validated via physical prototype testing prior to mass production.
| Component / Parameter | Risk if Not Tested Prior to Mass Production | Mandatory Prototyping Validation Method | Acceptance Threshold |
|---|---|---|---|
| Loop Free Height & Attachment Geometry | Forklift tines cannot hook loops easily, causing operator delays or loop fraying. | Physical crane/forklift trial under full Safe Working Load (SWL). | Tolerance ±15mm |
| Filling & Discharge Spout Diameters | Spout too tight to clamp onto factory filling tube, or too loose causing powder puffing. | Physical docking onto client actual filling head / discharge hopper. | Exact Fit ±10mm |
| Baffle Bag Internal Plumb Geometry | Internal perforated baffles deform, bag bulges beyond standard container shipping walls. | Full payload volumetric fill test followed by 48h static stack measurement. | Width Bulge < 5% |
| Sift-Proof Seam Felt & Cord Sealing | Micro-fine chemicals or flour seep through needle perforations during transit. | Vibration table test and fine powder pressurized air test on sewn seams. | Zero Powder Loss |
| Form-Fit Barrier Liner Compatibility | PE/EVOH inner liner bunches, wrinkles, or stretches unevenly, blocking bottom discharge. | In-line liner insertion, inflation test, and gravimetric discharge trial. | 100% Liner Alignment |
| Type C Conductive Yarn Grounding Continuity | Discontinuous conductive carbon grid creates spark ignition hazard in explosive dust zone. | Calibrated megohmmeter point-to-point and point-to-ground resistance check. | Resistance < 10^8 Ω |
Transparent Cost Governance
Sample Fee & Lead Time Dynamic Estimator
Configure your sampling scenario below to preview approximate lead times, cost policies, and order reimbursement eligibility.
Free Standard Sample
Warehouse In-Stock Evaluation Bag
Prototyping / Bag Fee:
FREE (1-2 Pieces)
Estimated Production Time:
24 - 48 Hours
Air Express Transit Time:
3 - 5 Business Days
Formal Order Reimbursement:
N/A (Free Sample)
Supplier Replacement & Reverse Engineering
Sending Us Your Existing Physical Sample Bag
If you are looking to benchmark pricing or improve the structural durability of your current bulk packaging, ship an existing sample bag directly to our technical lab.
1
Immediate Receipt & Deconstruction
We photograph, assign a formal incoming ID, and dissect fabric weight, yarn denier, coating thickness, seam stitch density, and sling tensile strength.
2
Comprehensive Reverse-Engineering Report
We deliver an itemized technical audit identifying material savings, weak seam reinforcements, or optimization opportunities for your bulk container.
3
Strict Confidentiality Guarantee
Your physical sample and proprietary specs are held in strict commercial privacy and never shown to third-party clients.
Reverse Engineering Protocol
Complete laboratory dissection report returned within 48 hours of physical sample arrival.
Engineered Safety & Compliance
Need Clarification on Testing Standards for Your Cargo?
Send us your bulk bag specification, destination country, material characteristics, and compliance requirements. Our technical team will review the test matrix and provide certified reports or custom validation proposals within 24 hours.
Authentic ISO 9001 Certificate Copy
TÜV / SGS Third-Party Test Dossiers
Clear Boundary Declarations on Every Order