We are a professional exporter of roller chain, made in accordance with ansi, iso, din, asa standard: 04b, 05b, 06b, 08b, 10b, 12b, 16b, 20b, 24b, 28b, 32b, 40b, 48b; 25, 35, 40, 50, 60, 80, 100, 120, 140, 160, 180, 200, 240; a2040, a2050, a2060, a2080; c2040, c2050, c2080; c2060h, c2080h; 81x, 81xh, 81xhh; c188, sgr188, c1594. . . These products are exported to worldwide for many years. Especially, price is more competitive. Customers are welcome to inquire us.