Roller Chain, Sprocket, Pulley manufacturer / supplier in China, offering Superior Custom-Made Heavy-Duty Transmission Conveyor Engineer Chains with Attachment – Large-Size Double Pitch Cast Welded Bent Scraper Chain, Efficient Low-Friction Transmission Conveyor Chain with Attachment – Large-Size Double Pitch Cast Welded Bent Scraper Chain, Precision-Machined Transmission Conveyor Engineer Chain with Attachment – Large-Size Double Pitch Cast Welded Bent Scraper Chain for Construction and so on.