... .ISO9001:2008 Detailed Production DescriptionANSI 60 durable triplex roller chain(12-3R)1)material : 40mn/A32)pitch : 19.05mm3)plate thickness ... ) export containerMain products as the following1)roller chains: A series(12.7-63.5mm pitches),B series (9.525-50.8mm ... & conveyor chains :2040,2050,2060,20805)leaf chains:LH series,AL series6)stainless steel roller chains7)simplex,double,triplex chains The ...