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About Us

Founded in 1988, Yantai Zhensheng Plastic Products Co., Ltd. is a professional manufacturer specializing in the customized design and production of mid-to-high-end FIBCs (Flexible Intermediate Bulk Containers). With over 30 years of dedication to the industry, we take cost-effective customized solutions as our core. Relying on solid technical accumulation and strict quality control, we have become a trusted choice for well-known enterprises both at home and abroad, and are committed to providing packaging solutions that carry trust and safeguard value for global customers.

In the future, Zhensheng will continue to focus on technological upgrading and product innovation, striving to become a benchmark enterprise in the global mid-to-high-end FIBC customization sector, and looks forward to working with you to create brilliance together.

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Company establishment
60000
Total site area
300 +
Company Employees
3000000 +
Annual output
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Why Choose Us?

At Zhensheng, we not just supply products; we deliver reliability, creativity, and partnership. 
Let us help you stand out with unique designs, consistent quality, and on-time delivery.
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Production Process

We have built a complete closed-loop industrial chain covering raw material processing to finished product manufacturing, strictly controlling quality and delivery efficiency from the source. 
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Preparatory Work
  • Raw Material Procurement and Inspection
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Base Material Processing
  • Drawing and Weaving
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Core Formation
  • Cutting and Sewing
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Accessory Assembly
  • Installation of Lifting and Reinforcement Components
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Specialized Treatment
  • Additional Steps for Functional Ton Bags
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Finished Product Inspection
  • Comprehensive Quality Control
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Packaging and Shipping
  • Sorting and Dispatch

MULTIPLE CERTIFICATE VERIFICATION

We strictly comply with the standards of ISO 9001 Quality Management System and ISO 22000 Food Safety Management System certifications
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Latest News

Showcase the latest news from companies and industries

All News
ZS Bulk Bags Will Attend the 35th Harbin International Trade Fair & 10th China-Russia Expo 2026
04.29 2026

ZS Bulk Bags Will Attend the 35th Harbin International Trade Fair & 10th China-Russia Expo 2026

Apr-29-2026

News Release | April 2026
Exhibition Name: 35th Harbin International Economic and Trade Fair (Hajia Fair) & 10th China-Russia Expo 2026
Date: May 17 – May 21, 2026
Venue: Harbin International Convention and Exhibition Center, China
Booth No.: D1 049-050

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ZS Bulk Bags Showcases Advanced FIBC Solutions at Canton Fair
04.16 2026

ZS Bulk Bags Showcases Advanced FIBC Solutions at Canton Fair

Apr-16-2026

As a professional FIBC manufacturer from China, ZS Bulk Bags participated in the Canton Fair, presenting a wide range of custom bulk bag solutions, including industrial, food-grade, and heavy-duty FIBC bags for global markets.

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Choosing the Right Partner: Zsbulkbags as a China Leading FIBC Bulk Bags Manufacturer for Complex Logistics
04.29 2026

Choosing the Right Partner: Zsbulkbags as a China Leading FIBC Bulk Bags Manufacturer for Complex Logistics

Apr-29-2026

For industries dealing with powders, granules, and volatile chemicals, the transition from production to the end-user involves significant risks. Exposure to moisture, the buildup of static electricity, physical ruptures, 

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29 2026.04

ZS Bulk Bags Will Attend the 35th Harbin International Trade Fair & 10th China-Russia Expo 2026

16 2026.04

ZS Bulk Bags Showcases Advanced FIBC Solutions at Canton Fair

29 2026.04

Choosing the Right Partner: Zsbulkbags as a China Leading FIBC Bulk Bags Manufacturer for Complex Logistics