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HENAN WEIN INDUSTRY CO.,LTD

api drill pipe;spiral drill collar;spiral heavy weight drill pipe;drilling fl...

 
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HENAN WEIN INDUSTRY CO.,LTD - Company Introduce
HENAN WEIN INDUSTRY CO.,LTD is very actively engaged in the business of petroleum drilling tools like drill pipe, drill collars, spiral drill collars non-magnetic drill collars, integral heavy weight drill pipe, drill pipe, stabilizer etc. [Details]
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