Haicheng Sitong Magnesium-Plastic Products Co., Ltd
Company Profile:

Haicheng Sitong Magnesium-Plastic Products Co., Ltd. is located in the northeastern of China- Haicheng City, which is seen as the most dynamic and potential transport hub city of Liaoning Province.

Its predecessor, Haicheng Sitong Plastic Products Co., Ltd. was established in 1998. With the first-class production equipments, the advanced production technology, as well as the mature management mode, soon Sitong has invested to set up Qianye Hengda Plastic Packaging Co.,Ltd, Sitong Magnesium-Plastic Products Co., Ltd., Dalian Sitong International Trade Co.,Ltd. Sitong Packaging (Cambodia) Co., Ltd will be established at the end of this year. Now our company occupies an area of 80,000 square meters, has more than 800 employees across domestic and abroad, and the daily production capacity over 50 tons.

PP Woven Sacks:

PP woven sacks for rice, wheat, corn, flour, sand, cement, and etc.
BOPP laminated sacks, paper sacks, net sacks with drawstring, woven sacks with lining, sacks with gussets, shopping sacks, UV stable packing sacks and etc.
Their carrying capacities are 10kg, 15kg, 20kg, 40kg, 50kg and more, widely used in packing agricultural products, foodstuffs, geotechnical engineering materials, daily necessities, and more.

PP Woven Fabrics:

Circular woven fabrics, wide round-woven fabrics, flat woven fabrics and woven fabrics in tube or roll. We customize woven fabric as per client’s specific requirements, with fabric width of 45-150cm, density of 40-120gsm and various color options.

Big Ton Sacks:

Including FIBCs and other bulk sacks, and carrying capacity ranging from 500KG to 3000KG.
Others: PP beach mat, foldable camping mat for outdoor activates and etc.

Customization Service:

1. Our plastic woven sacks are provided in varied specifications, dimensions and designs. Please kindly inform us the materials, width, length, thickness, size, printing colors and other special information of the product you need. We can customize for you.
2. We are willing to provide advice for your reference on the most satisfactory and eco-friendly solutions. From design concepts and product samples to trial orders we are able to turn your ideas into positive packaging solutions.

Customization-PP woven sacks/sacks

We can custom design PP woven sacks on the following specificaitons:
Raw material, draw string or zipper, with or without lining, printing & logo (one/double sides), laminated/unlaminated, single/double stitching, single/double folding.
Length, width, capacity, weight, gauge, seal, gusset, handle, bottom, grade (food grade/non food grade) are all available for your own option.

Customization-woven fabrics

Single/double folding, multiple layer lamination (can be unlaminated)
Weave or mesh for option
Colors, length, weight, gauge are for your own option


Sitong Company is the major supplier of the China's large state-owned grain and oil enterprise - China Oil & Foodstuffs Corporation. It has seen annual growth rate of the domestic sales steadily rising by 7% every year. Besides, Sitong products have gained increasing popularity among customers worldwide. Our products are exported to Europe, Africa, South America, Southeast Asia, the Middle East and other countries and regions, and are deeply appreciated by clients all over the world.

Manufacturing Facility:

Sitong Company focuses on utilizing the most sophisticated machinery and equipments for production. Now we have over 550 major processing equipments: 14 sets of high-speed drawing-benches, 385 sets round- weaving machines, 10 sets of multiple color printing machines, and other accessory equipments such as cutting machines, sewing machines and packing machines etc.
We finalize the raw materials’ testing before entering the factory and every product must be passed through the system of the pre-inspection, the processing inspection and postpartum quantitative sampling, so as to ensure them to reach the satisfactory standards of every customer.

Quality Assurance:
International quality management system
  • -ISO9001:2008
  • -Factory audit report from BV (Bureau Veritas)
Domestic quality management system
  • We have been granted -
  • -License of hazardous chemical packaging production
  • -License of food packaging containers production

Additionally, we have a specialized quality control department conducting strict quality inspections during each production process. Thus, the quality of our products is 100% guaranteed.

Certificate for ISO9001 Quality Management System
Certificate of Conformity of Quality Management System Certification
Our Values:

Sitong people always adhere to the management philosophy as “Always be innovating, quality being the most important, customer coming first”. We take responsibility for the high quality of what we produce. We are committed to satisfying our valued clients, and partners. Sitong warmly welcomes all friends to visit us, and we shall dedicate the most sincere services, the highest quality products and the best packaging solution to you!
Furthermore, we introduce advanced technology and utilize automatic production equipment to improve our productivity and reduce labor costs. All of this enables us to provide our quality polypropylene sacks at competitive and economical prices.
Sitong should be your reliable partner of choice. If you are interested in any of our product, please do not hesitate to contact us.