HEJIAN HUASEN petroleum supplies co.,ltd .We have a Export Department, which specialize in the export of various products made by ourselves including Drill bits, Drill Pipe, TCI tricone bits, PDC bits, PDC Diamond drill bits, roller rock bits,core bits,all size bits in oilfield,water well drilling,mineral and geological and so on.
During the twenty years, we have built good business relationships with customers abroad, such as America, Japan, Korea, Germany and so on. Thus the stable supplies, the qualit...
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