1. Dongfa Chain Dongfa Chain was established in 2004. It is a private technology enterprise in Jiangsu Province, a specially invited unit of CCTV's "Quality" column, a bid-winning unit for CCTV's brand express train, a member of the China General Machinery Parts Industry Association, an AA-level credit enterprise in Taizhou City, a famous brand product in Taizhou City, and a well-known Dongfeng Motor Company. trademark. 2. Time Nantong Shitian Chain Co., Ltd. has the most advanced fully automatic chain knitting machine and automatic deburring welding machine at home and abroad. The company mainly produces G80 and G70 high-strength chains, 30 and 43 ordinary chains, rigging and other products, and has a complete and scientific quality management system. 3. Shielded chain Changchun Shidun Chain Transmission Technology Development Co., Ltd. is based on Hangzhou Shidun Chain Co., Ltd. and specializes in the design, development, and manufacturing of chain transmission and conveying equipment products. 4. Donghua Company was established in 1986 and is headquartered on the banks of the Luoyang River in Luojiang District, Quanzhou, a famous city on the west coast of the Taiwan Strait. The factory covers an area of ??18,000 square meters and a construction area of ??25,000 square meters. Currently has more than 1,000 employees. 5. Dongfang Chain Suzhou Dongfang Special Chain Factory is the first professional factory in China to produce special chains, two-speed chains, and conveyor chains. In addition to providing domestic supporting services for imported equipment and exporting some products, we also design and develop chains of various structures according to the special needs of users, which can be said to cover all walks of life in the national economy. 6. Zhuji Chain Zhuji Chain Factory was founded in 1972. It is the earliest factory in the domestic chain industry and one of the most competitive steel chain metallurgical manufacturers in the country. 7. Xinghua Chain Transmission Machinery Xinghua Chain Transmission Machinery Co., Ltd. is located in the scenic Dongpeng Industrial Zone, Shuilianshan, Dongguan City. It is one of the earliest manufacturers in China specializing in the production of special conveyor chains, with thousands of product specifications and varieties. The industries involved are household appliances, food processing, painting engineering, shoemaking, chemicals, pharmaceuticals, mining, automobile and motorcycle manufacturing covers. 8. Double cone speaker Shenyang Tongli Chain Transmission Co., Ltd. was founded in the early 1990s. It specializes in the production of chains, sprockets, conveyors and other products. It has strong strength and sophisticated technology. 9. Sanhu Chain Hubei Sanhu Chain Co., Ltd. is a professional manufacturer specializing in the production of various industrial chains derived from the original state-owned Hubei Chain Factory. 10. Shengrui Transportation Ningjin Shengrui Conveying Equipment Co., Ltd. is a professional manufacturer of various mesh belt conveyors. Since its establishment, with the strong support and help of users across the country, its products have been sold to more than 1,000 users.