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GYD series Single Cone Bits for Oil Well Drilling-澳门金沙娱场3777.com-js55.com

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Copyright (C) 2014 Jiangxi Feilong Rock Bit Manufacture Co.,Ltd. Jiangxi ICP No. 06009340
Phone:0795-3243041 Fax:0795-3241195 address:www.jxflbit.com address:Jiangxi province Yichun City Ring Road Yuanzhou District No. 518