... 2X3-92L,2X3-100L,2X3-102L,3X4-90L2.good quality and price,long service time3.OEM available4.we can supply various roller ... chain.5.we have factory and our own brand GCKFeatures:1) ... C2120, C2040H ~ C2120H2) Colors available: natural, yellow, blue, gold, white and black3) Materials: carbon steel, stainless steel, nickel-plated, zinc plated ...