The top ten chain brands in China are as follows:

1. Dongfa Chain.

Dongfa Chain was founded in 2004. It is a private technology enterprise in Jiangsu Province. It is an invitation unit of CCTV's "Quality" column, a bid-winning enterprise for brand express trains on CCTV.com, a member of China Machinery General Parts Industry Association, and Taizhou AA Credit-worthy enterprise, Taizhou famous brand product, DFC trademark won the famous trademark.

2. Weather.

Nantong Tianshi Iron Chain Co., Ltd. has the most advanced automatic chain braiding machine and fully automatic deburring welding machine at home and abroad. The company mainly produces G80 and G70 high-strength chains, grade 30 and grade 43 ordinary chains, and cables. A company specializing in the production and processing of tools and other products, it has a complete and scientific quality management system.

3. Shield chain.

Changchun Shield Chain Transmission Technology Development Co., Ltd. is an enterprise specializing in the design, development and manufacturing of chain transmission and conveying equipment products based on Hangzhou Shield Chain Co., Ltd.

4. Donghua.

Founded in 1986, the company is headquartered on the bank of Luoyang River in Luojiang District, Quanzhou City, 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. It currently has more than 1,000 employees.

5. Oriental Chain.

Suzhou Dongfang Special Chain Factory is the earliest professional factory in China to produce special chains, double speed chains and conveyor chains. In addition to providing domestic supporting services for imported equipment, some products are also exported. At the same time, there are chains of various structures designed and developed by ourselves 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 established in the domestic chain industry and is the most competitive. It is one of the largest and strongest manufacturers in the domestic steel chain metallurgical manufacturing industry.

7. Xinghua chain transmission machinery.

Xinghua Chain Transmission Machinery Co., Ltd. is located in the beautiful Pengtong Industrial Zone in Shuilian Mountain, Dongguan City. It is one of the earliest professional manufacturers in China to produce special conveyor chains. The product specifications and varieties are as high as There are thousands of types, involving industries such as home appliances, food processing, painting engineering, shoemaking, chemical industry, medicine, mining, automobile and motorcycle manufacturing hoods.

8. Kone.

Shenyang Tongli Chain Transmission Co., Ltd. was founded in the early 1990s, specializing in the production of chains, sprockets, conveyors and other products, with strong strength and sophisticated technology.

9. Three Tiger Chain.

Hubei Sanhu Chain Co., Ltd. is a professional manufacturer specializing in the production of various industrial chains derived from the former state-owned Hubei Chain Factory.

10. Ruisheng transportation.

Ningjin County Ruisheng Conveying Equipment Co., Ltd. is a professional manufacturer of various conveyor mesh belts. Since its establishment, with the strong support and assistance of users across the country, its products have been sold to more than 1,000 users.

Chain structure:

Among similar products, they are divided according to the basic structure of the chain, that is, according to the shape of the components, the parts and parts meshing with the chain, the size ratio between parts, etc. There are many types of chains in the chain product series, but their basic structures are only the following ones, and the others are all deformations of these types.

We can see from the above chain structures that most chains are composed of chain plates, chain pins, bushings and other components. Other types of chains just make chain plates according to different needs. Different modifications were made, some installed scrapers on the chain plate, and some installed guide bearings on the chain plate.

Some also have rollers installed on the chain plate. These are modifications for different applications.