N/a manufacturer / supplier in China, offering Innovative Self-Tooth Forming Chain for Precision Engineering Applications A0 A1 (A2) A3 A4 A5, Precision Inverted Tooth Chain: Optimized Wear Resistance and Enhanced Strength C4-320 C4-323 C4-329 C4-332 C4-338, Inverted Tooth Chain: Precision Class Tolerance and 20% Increased Load Capacity C4-120 C4-123 C4-129 C4-132 C4-138 C4-150 and so on.