Industrial Chain, Agricultural Chain, Conveyor Chain manufacturer / supplier in China, offering 40-1r 50-1r 60-1r 80-1r 08b 10b 12b 16b 20b ISO/ANSI British Standard Customized OEM Short Long Pitch Plate Bush Industrial Transmission Conveyor Roller Chain, ANSI 28A/B, 32A/B, 40A, /B, 48b, 56b, 64b, 72b, Sprocket Standards Roller Chain, High Performance Reliable Anti Rust Industrial Transmission Roller Chain for Agricultural Machinery and so on.