The size of the base chain that rolled the chain is in line with the standards of ISO, ASME/ANSI, DIN, JIS and other standards. There are mainly A series straight -edge chain board rolling chains, B -series straight chain boards roll the chain, short -section distance band belt Attachment conveying chain, double -knitting conversion chain, double -knitting belt attachment conveyor chain, etc. The attachments of the conveying chain are designed with different structural forms according to the requirements of the usage, which are widely used in horizontal pressure bending plates, pores upright plates, and extended sales shafts. Transmitting machinery such as chain conveyors to pass power and transport materials for them.