... Made Style: Manufacture and OEM Short Pitch Precision roller chains ( A Series ) 1.Technical parameters: 2.Roller Chain Parts3.Product Process4.Testing ... china and also have 6 subsidiaries abroad;2.we covering a production area of 200,100 square meters, have more ... kinds of standard chains and special chains, such as A or B series chains, driving chains, conveyor chains, dragging chains, agricultural ...