Jining Donghong Machinery Co., Ltd
we Wholesale API 7K, API 7F Various High Quality Petroleum Roller Chain,Oilfield Roller Chains,Drawworks Chains,Rotary Table Driven Chains, Mud Pump Roller Chains at 140-5(28S-5),140-1(28S-1),140-8(28S-8),140-4(28S-4),140-2(28S-2),140-6(28S-6),140-3(28S-3),160-3(32S-3),120-8(24S-8),160-1(32S-1)etc used in oil field at best price.
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spareparts1960@foxmail.com
Petroleum Roller Chain,Drawworks Chains,Rotary Table Driven Chains, Mud Pump Roller Chains |