... 4.Application:transmission part and machinery 1. Business type: sprocket manufacturer& exporter2. Main market: Southeast Asia, North and South America ... Oxide black, galvanization, nickelizing, chromeplating6. Model: type A, type B, and type C. Single, Double, Triple35B 10T~80T, 40B ... , DIN,ANSI,JIS,BS,KANA,SATI standard Business typemanufacturer&exporterMain export marketSoutheast Asia, North and South ...