My company mainly produce track rollers、 front idler、 carrier rollersfor bulldozers, including YISHAN、XUANHUA、 SHANGHAI、HONGQI、HUANGHE、120、140、160、180、200、220、D60、 D65、D80、 D85、 D4G brands. Its production and busines operation is brief introduction now as follows:
 
 

Produce track rollers:

-- The track rollers are made of 50Mn forged steel through CO2 gas protected Welding and medium frequency quenching to hardness of HRC 52°-56° .
-- The track roller shafts are made of 50Mn forged steel through medium frequency quenching to hardness of HRC 52°±2;
-- The combined steel bushings are made in two kinds of materials: bimetal and tin bronze;
-- The inner and outer collars are made of spheroidal graphite iron;
-- The scal rings and o-rings are the products designated by the main machinery mannfactories;
-- The track roller assembliies go through pressure tests after assembly and are filled with oil.
--Dynamic Sampling is made in each production lot to guarantee them leakage free.

Export the product:

D60、 D65、 D85、 D4G... etc. model a good opinion for track rollers, front idler, carrier rollers for bulldozers, is total exporting the some in Southeast Asia the nation with other accessories, in the last years had been suffering till the outside company. If your company has connection with outside company, hope to give to recommend outward. My company will press positive match in standard in exit, and provide the convenient term for the exit.