Roller Chain, Sprocket, Pulley manufacturer / supplier in China, offering ISO Agricultural Roller Chains with Attachments Basic Customization C Type Steel Rice Harvester Chain Ca550 Ca650 Ca620 Ca555 Cac557 Factory Direct Sales, DIN Power Transmission Precise Short Pitch Nickel Plating and Zinc Plating Heavy Duty Driving Roller Chain (04 - 48) (A B series), Superior Quality High Performance Rust Resistant Stainless Steel Heavy Duty a B Series Conveyor Chain for Industrial Applications Roller Chain 08A 10A 12A 16A and so on.