DongSheng is specialized in producing all kinds of standard and non-standard chains, e.g. A or B series chains, automobile chains, stainless steel chains, combine harvester chains, heavy-duty cranked link transmission chains, stereo garage chains and maintenance-free chains etc. 

Operational flow of manufacturing

order =>design and modeling =>inspection and die setting =>pressing & shaping =>CNC fine finishing =>beburring =>Hobbing =>CNC boring => surface cleaning =>marking =>heat treatment =>Hardness inspection=>leveling=>bore inspection=> sand blasting=>surface treatment =>packing 

Color: black; silvery ( galvanizing);golden or as your requirements

Raw-materials: Q345B(45#),Q235B(A3) .etc

Good quality & competitive price

Long-term quality guarantee:more than 12months

Teeth number:

rear sprocket:34 to 50

front sprocket:11 to 17 

We have been providing Private Label/OEM service to many customers in Mid East, Africa, Southeast Asia, South America, such as Pakistan, Iran, Egypt, Vietnam, Brazil, Colombia, etc. The market and customers have attested to the superior quality and consistent performance of the OEM motor sprocket and chain kit .

Our factory has whole sets precision equipments such as punch(10sets), bender(7sets), high-speed reel machine(12sets), high-speed pin shaft cut machine(7sets), the most advanced mesh-belt furnace line(2sets),  rotate furnace (9sets) and so on.

The Chain technic treatment is as below:

1.Shot peening  =>2.Bluing =>3.Phosphating =>4.Nickel-plated =>5.Zincing =>6.Heat treatment =>7.Carburizing =>8.Quenching =>9.Tempering =>10.Oiling =>11.Greasing

phone:0086-579-87383203

skype:wendylove0312 or arancia521

Any comments please feel free to contact us!!

web:www.dschain.en.china.cn