Roller Chain, Sprocket, Pulley manufacturer / supplier in China, offering Precision-Engineered Transmission Industry Carbon Steel Stainless Steel Heavy Duty a B Series Conveyor Chain for Industrial Applications Roller Chain, Heavy-Duty Alloy Steel Agricultural Chain Conveyor Chain Transmission Combine Rice Harvester Agricultural Roller with Attachment Chain (A, CA, C, S type), Industrial-Grade Agricultural Machinery Chain, Smooth - Running Transmission Chain Specifically Engineered for Seeders in Agricultural Machinery Chain and so on.