Since 2005

About UnisunPack

Over 20 years manufacturing PP woven bags and multi-layer kraft paper bags in Wenzhou, China. Six production lines, an ISO 9001:2015 quality system, and customers who stay with us for years.

Who we are

A Packaging Manufacturer You Can Rely On

UnisunPack is a packaging manufacturer based in Wenzhou, Zhejiang, China, specializing in PP woven bags, BOPP laminated bags and multi-layer kraft paper sacks. With in-house printing, lamination and bag conversion capabilities, we provide customized packaging solutions for a wide range of industries.

We maintain direct control over key production processes and quality checks, focusing on consistent product quality, reliable production and effective quality management. Our production records also support batch traceability, helping us identify and address production-related issues when necessary.

We serve importers, distributors, converters and brand owners across global markets, supplying packaging for food, animal feed, fertiliser, rice, grains, charcoal, chemicals and construction materials. From sample evaluation to bulk production, we work closely with our customers to deliver practical packaging solutions and dependable service.

The UnisunPack range: printed PP woven sacks and multi-wall kraft paper bags for sugar, milk powder, sodium and rice

Capability

What we can do

6 production lines

Woven bag lines for volume orders, plus separate lines for multi-layer paper sacks.

In-house printing

Flexo printing up to 8 colours, and rotogravure for BOPP laminated retail bags.

ISO 9001:2015

Documented inspection at fabric, print, converting and final packing stages.

Food grade and UN

Approved production for standard food grade bags and UN certified bags.

In-house design

Artwork layout and digital proofs returned within 2 to 3 days.

Any size, any configuration

SOM, valve, block bottom, gusseted, with or without liner and handle.

Export packing

Baled or palletised with loading photographs before the container leaves.

Worldwide shipping

FOB, CIF and door delivery, with the full document set for clearance.

Quality and certification

Documents you can show your customer

Our factory has passed ISO 9001 and we are approved to produce standard food grade bags and UN bags with strict quality control. Where your market or your customer requires specific documentation — food contact declarations, test reports, UN certification for a specific packing group — tell us at the quotation stage so it is built into the order rather than chased afterwards.

ISO 9001:2015 certified quality management system
Approved production of standard food grade bags
UN certified bags for dangerous goods
Food contact declarations available on request
Third party inspection welcome (SGS, BV, Intertek)
Batch records kept against every order

ISO 9001:2015, SGS and UN certification marks held by UnisunPack

What customers say

Relationships measured in years, not shipments

We visited the UnisunPack factory and were impressed with the equipment and the clean workshops. The bags are consistently lower in price than other factories in China, and the quality is good.
Christine LimImporter, United Kingdom

During the whole purchasing process UnisunPack made me feel very safe — from sample testing to bulk production, shipment and customs clearance. A reliable supplier.
Richard HarveyImporter, UAE

I have worked with UnisunPack for four years. The quality is high and my retailers have never complained. All I have to do is wait to receive the goods for each order.
Charlie SolisDistributor, Australia