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No.223,Xida Rd,WUxi,Jiangsu,China China
連絡先担当者 Ms. Yan Feng
住所 No.223,Xida Rd, WUxi, Jiangsu
We can manufacture NQ, HQ, DCDMA standard and also Chinese standard drill rods. Our heat-treated drill rods can drill holes up to 1, 900 meters dep
Reaming shell is set with natural or synthetic diamond, and it is used to couple the drill bit with the core barrel. Its main function is to ream the
We manufacture high quality impregnated diamond bits and surface set diamond bits. The impregnated diamond bits are the most commonly useful bits in
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