2001
Welcome, QINFENG!
QINFENG is established in Yantai, Shandong, starting with precision circular looms for woven polypropylene packaging.
Direct manufacturer of custom FIBCs & bulk packaging since 2001
About QINFENG
The 1st choice for Custom FIBCs, Bulk Packaging, Container Liners, and Technical Industrial Bags, catering to the rigorous requirements of global industrial processors and distributors. Rely on us for certified load safety, high-tenacity virgin materials, and personalized engineering support.
24+ Years In Bulk Material Packaging
With roots tracing back to 2001 in Shandong, our journey in bulk container manufacturing is deeply intertwined with direct industrial handling. We share a profound understanding of heavy material transport, automated filling plants, and ocean logistics safety.
SINCE
2001
Yantai Plant Foundation
Over two decades of dedicated bulk bag engineering and yarn extrusion.
ANNUAL OUTPUT
1.2
Million
FIBC Annual Capacity
Continuous volume capacity supporting scheduled recurring contract orders.
GLOBAL REACH
36
+
Export Destinations
Supplying mineral, chemical, agricultural and logistics partners worldwide.
VIRGIN RESIN
100
%
Pure Virgin Polypropylene
Certified tensile tenacity, zero contaminated regrind, and UV endurance.
What We Stand For
Our Values
Four foundational commitments guide every bag specification, production shift, and client delivery.
01
COMMITMENT
Long-Term Reliability
We’re in it for the long run.
We always stand beside our partners and overcome any challenge. We are generational packaging manufacturers, just like our industrial clients, and we will always go the extra mile to guarantee your bulk cargo reaches its destination safely.
- ✓ Guaranteed load safety factors tested per batch
- ✓ Dedicated technical support throughout repeat order life cycles
- ✓ Transparent raw material resin indices and price stability
02
INTEGRITY
Zero Compromise
We never cut corners.
The quality of our FIBC solutions and services is always first-class. We strictly use 100% pure virgin polypropylene granules without calcium carbonate fillers or unauthorized regrind. Our supply chain is stable even during global shipping disruptions.
- ✓ Traceable resin lot certificates for every production roll
- ✓ Full ISO 21898 mechanical load test verification
- ✓ Honest technical consultation on real working conditions
03
HARD WORK
Hands-On Craft
Getting our hands dirty.
As true manufacturers, hard work on the plant floor is an integral part of who we are. Our strong work ethic was an essential part of turning a modest Yantai circular weaving workshop into a globally recognized FIBC manufacturer exporting millions of bags.
- ✓ Experienced sewing artisans and cleanroom technicians
- ✓ Continuous 24-hour extrusion & loom operational supervision
- ✓ 100% individual light-table optical inspection
04
PARTNERSHIP
Collaborative Growth
Doing it together.
We collaborate closely with chemical producers, mineral processors, food ingredient packers, and international packaging distributors. Together, we engineer bag specifications that streamline loading speeds, maximize container payload, and eliminate field failures.
- ✓ Co-engineering custom bag geometries for specific packaging lines
- ✓ Direct container loading optimization and pallet rack sizing
- ✓ Responsive English and multilingual logistics coordination
Our History & Evolution
Our Milestones
2005
Our Global Story Begins...
We ship our first dedicated 40HC container of standard 4-Panel FIBC bags to Japanese agricultural distributors via Qingdao Port.
2009
Food-Grade Cleanroom Commissioned
An isolated clean sewing facility with air shower filtration, epoxy floors, and optical foreign-body inspection is built.
2012
Form-Stable Baffle Bags (Q-Bags)
Internal baffle reinforcement lines are launched, preventing bulging and saving 25% warehouse space for European clients.
2016
The Cutting Edge of Load Testing
Commissioning our in-house computer-controlled 30-ton hydraulic cyclic top-lift test rig for certified 5:1 and 6:1 ratings.
2019
UN Certified Hazardous FIBCs
Awarded international UN dangerous goods packaging packaging certificates for Class II and III hazardous cargo export.
2021
Two Decades of Excellence
Surpassing 1.2 million bags annual production capacity with complete vertical ERP traceability from yarn to container loading.
2024
Circularity & Eco-Baling
Launch of 30% certified PCR recycled-content FIBC lines and mono-material 100% recyclable bulk containers.
TOGETHER WE GROW FOR CHANGE
Our Commitment To The Land & Supply Chain
We aim to lead continuous innovation for more sustainable, efficient, and 100% recyclable heavy packaging materials across global trade routes.
What We Make & Deliver
Our Manufacturing & Packaging Activities
Every corner of our plant tells a unique story of dedication, safety, and precision...
Resin Extrusion & Weaving
We extrude high-tenacity polypropylene tapes with tight denier control and weave heavy-duty circular and flat fabrics with guaranteed tensile ratings.
Explore Extrusion →Food-Grade & Ingredient Bags
Manufactured in positive-pressure clean workshops with HEPA air filtration, epoxy coated floors, ultrasonic cutting, and zero loose yarn risk.
View Food Grade →Mining, Sand & Aggregates
Rugged 4-panel and U-panel bags designed for safe working loads up to 2,000 kg with reinforced stevedore lift straps and abrasion resistant fabric.
View U-Panel →Chemical & UN Hazardous Bags
Dust-proof sift seals with felt piping, conductive Type C grounding filaments, and certified drop/topple tests for dangerous material export.
UN Test Specs →Agricultural & Breathable Bags
Ventilated body stripes and mesh panels designed for potatoes, onions, wood logs, and crops that require non-stop airflow to prevent sweating.
View Ventilated →Dewatering & Sludge Geotextiles
Specialized filtration porous geotextiles allowing clean water runoff while retaining solids and sediment in municipal and industrial projects.
View Dewatering →
Engineering & Operations
Our field of expertise
We’re dedicated to innovative solutions and production methods
INNOVATION & TESTING
Research & Development
Our group of polymer materials engineers, technical textile specialists, and packaging structural designers engineer solutions for demanding powder flow dynamics, leak prevention, and cyclic load endurance.
- UV stabilizer weathering formulation trials
- Finite element loop stress & cyclic fatigue simulation
- Custom moisture-barrier liner multi-layer co-extrusion
MANUFACTURING & SUPPLY
Operations & Export Logistics
QINFENG Operations maintains integrated production stages with high-pressure hydraulic baling, fumigated palletizing, and direct container stuffing just 2 hours from Qingdao International Port.
- ISO 9001 certified plant-wide management system
- Weekly container sailings to Europe, North America & Middle East
- Full Incoterms flexibility: FOB, CIF, CFR and door-to-door DDP
People Behind Quality
Meet our team
We love what we do. And it shows.
Managing Director
David Liu
David has 22+ years in technical plastics extrusion and has spearheaded QINFENG’s global export expansion since day one.
Chief Packaging Engineer
Jason Zhou
Jason oversees structural safety factors, custom baffle geometries, and hydraulic load cyclic rig testing.
QA & Compliance Director
Elena Zhao
Elena directs the cleanroom testing laboratory, ISO 9001 audits, food-grade certifications, and optical inspection.
Global Logistics Manager
Marcus Chen
Marcus coordinates weekly vessel sailings out of Qingdao Port, customs documentation, and container loading optimization.
Export Technical Sales
Sophia Wang
Sophia provides responsive consultation for overseas distributors, chemical plants, and municipal packaging bids.