FROM MP 15--MP 120 Pitch from 15 mm to 120 mm Plates lacing: 2*2, 4*4, 6*6, 8*8 CERTIFICATE: 1)ISO 9001 2)Best chinese supplier Good quality, good serives, excellence credit standing! Our main products as follow: Roller chain, motorcycle chain, timimg chain, silent chain, leaf chain, and various of kinds special chain, we are good at developping chain to customer order.