About us
As the leading manufacturer of circlips in China, “DONGBO” owns more than 35 years’ experiences in production of circlips and washers, which are in conformity with GB, DIN, ANSI, JIS etc., with monthly capacity of more than 150 million pieces. As most items, especial the DIN471 and 472 of full sizes, all in good stock, delivery can be anytime as your request.
Superior to other circlips manufacturers, it owns the advanced AGC cold rolling mill in October 2010, with annual capacity of 18 thousand tons. So the thickness of the steel can be control accurately.
“DONGBO” has more than 40 Senior Technical Staff and Management Staff and now cooperate with HeFei University of Technology in technology.
Possessing its own mould processing workshop, it can design, produce and repair the moulds.
It possesses domestic-advanced production equipments with more than 100 units’ punches and 15 sets of full-automatic punches in punching workshop; with 2 sets of mesh-belt isothermal heat treating furnace,1 set of oil quenching furnace and 3 sets of tempering furnace in heat treating workshop; with 20 sets of surface treatment equipment, including phosphate and black coating production line in surface treatment workshop; with 7 units of precision grinder in grinder workshop.
It can deliver the goods to a large number of countries and regions all over the world through Shanghai Port.
It has a sound quality management system and an individual quality management department, and obtains the TS16979 certificate in December 2010. Its laboratory possesses domestic-advanced inspection equipments with salt spray testing machine, metallographic analyzer, carbon and sulfur analyzer, elasticity tester, Hydraulic tensile tester and Hardness tester etc. as well as more than 20 QCs, which guarantee the inspection and control of product quality.
The products are mainly applied to automobiles, wind power generation, engineering machinery, marine equipment, machine tools, water pumps, dynamos, electric tools, etc. and are supplied to Anixter, Wurth, Bossard, Fabory,Arvid Nilsson and other world-famous fastener distributor, and are exported to European, America, Argentina, Brazil, Turkey, Korea etc.
Welcome new and old customers to negotiate!