Series 10&20 Overshot
TIANHE Series 10 Sucker Rod Overshot is a professional fishing tool, designed for engaging and retrieving sucker rods, couplings, and other tubular from inside tubing strings.
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Tianhe Oil Group
Tianhe Oil Group Co. Ltd. is an integrated corporation engaged in petroleum equipment design,manufacture,sale,rental and maintenance,oil enginerring services and oilfield exploration and development.