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GHJ series Metal Sealed Drilling bits for oil well drilling-js55com金沙网站-4166.net

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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