usually they the duplex roller chains - Update: 2007-10-10

the roller is big one - Update: 2007-10-10

also with the big rollers and have two type roller, one is conduct the other is nonconduct - Update: 2007-10-10

1 - Update: 2007-10-10

with the thicker plates and can be adder the load strenth. can be used the low speed industrial machine - Update: 2007-10-10

1 - Update: 2007-10-10

without roller , usually used for the forklift truck - Update: 2007-10-10

the spare parts for all kinds of motorcycle - Update: 2007-10-10

the attachment can be up to the customer's requirement - Update: 2007-10-10

the base chain is standard to nonstandard, and the extended pin size can be up to your requirement - Update: 2007-10-10