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佰納斯鉆鉆頭制造有限公司
hejian bainas drilling equipment co. ltd
1.hejian bainas drilling equipment specializes in the development, production, distribution and after-sales service of drilling equipment. we are located in hejian,china, with convenient transportation access.
we offer drill pipes, drill collars, tricone bits, pdc bits and rock drilling tools. as an api- and iso 9001:2000-certified ent...