Founded in 1988, Yantai ZS Bulk Bags Manufacturing Co., Ltd. stands as a titan in the customized design and high-volume production of mid-to-high-end Flexible Intermediate Bulk Containers (FIBCs). For over three decades, our technical focus has been the safe containment of granular materials—ranging from fine chemical powders to heavy mineral ores.
With two modern production bases in Yantai spanning 60,000 square meters and a dedicated workforce of 300+ professionals, we operate a vertically integrated supply chain. We control everything from the molecular extrusion of polypropylene to the final ultrasonic sewing of high-hygiene bags. Our monthly output exceeds 250,000 units, ensuring that global leaders in the petrochemical, agricultural, and construction industries never face a supply chain bottleneck.
✓ 24+ Years OEM/ODM Experience
✓ 60,000 m² Site Area
✓ 3 Million Annual Capacity
✓ ISO 22000 & FDA Compliant
✓ 246+ Enterprise Partners
The global movement of granular materials—fertilizers, plastic resins, grains, and minerals—represents the backbone of the industrial economy. However, this sector faces mounting pressures from escalating freight costs, environmental regulations, and the need for zero-loss containment. Our ODM bulk bag solutions are engineered to address these macro challenges through three core pillars:
Utilizing Baffle Bag (Form-Stable) technology, our bags maintain a square shape post-filling, increasing container utilization by 25-30% compared to standard circular bags.
For high-purity granular materials like HDPE pellets or pharmaceutical grade salts, our clean-room production ensures zero fiber-contamination and moisture-proof integrity.
All bags are designed with a Safety Factor (SF) of 5:1 or 6:1, strictly tested for cyclical top-lifts and drop impacts to prevent catastrophic failure in global transit.
The FIBC market is transitioning from simple "poly-bags" to "intelligent packaging systems." Currently, the market is valued at over USD 5 billion, with the demand for ODM (Original Design Manufacturing) growing at a CAGR of 6.2%. The shift is driven by the rise of automation in filling and discharging lines.
In North America and Europe, stringent labor safety laws drive the demand for bags with Type C (Conductive) and Type D (Antistatic) properties to prevent dust explosions during the handling of fine granular powders. Meanwhile, in the Asia-Pacific region, the surge in infrastructure and mining requires high-load capacity bags (up to 2 tons) with UV stabilization for outdoor storage. Yantai ZS Bulk Bags bridges these regional needs by providing localized design modifications that meet specific regional safety standards.
Advanced Integrated Production Facility
Quality Control Testing Lab
Navigating international trade requires more than just a quality product; it requires a deep understanding of local compliance. At Zhensheng, we provide:
Development of 100% recyclable mono-material FIBCs and bags containing up to 30% PCR (Post-Consumer Recycled) content to align with global plastic tax regulations.
Embedding RFID and IoT sensors within the lifting loops to allow real-time tracking of granular inventory through the warehouse management system (WMS).
Co-extruded liners and aluminum foil technology to prevent the oxidation of sensitive granular chemicals, extending shelf life by up to 50%.
Zhensheng
