Lujing Hardware Manufactory was established in 2008, located in Chashan Town, Dongguan City, Guangdong Province .It is specialized in manufacturing powder metallurgy factory , it has completely science quality manage system . professional manufacture equipment and inspect equipment. Specialized in manufacturing the Mechanics and electronics gear combinatorial, automobile fitting , motor fitting and electrical equipment fitting ,it is used for automobile and motor and agricultural Mechanics and office equipment etc !product subject to international standard ISO5755 criterion of sintering mental ,German DIN V30910 Sintering mental materials criterion , Material standard for powder Metallurgy Industry Association, SAF j471d Powder metallurgy materials standard of American Automobile Engineers Association, Japan JIS Z 255 and JASO 7008 powder Metallurgy materials standard of American Automobile Industry Association. The performance, size, geometric accuracy of products will meet the demand of customers and our gear accuracy. It will satisfy the stipulation of GB 10095-1998 accuracy of Involutes Cylindrical Gears.