德州大陆架石油工程技术有限公司
Exhibit Profile：
Down-hole tools such as Liner Hanger, Stage Collar, Float Collar & Float Shoe, Multi-stage Frac Sleeve, Oil-/ Water-Swellable Packer and Hydra-jet Facturing Tool; Oilfield chemical additives
Down-hole tools such as Liner Hanger, Stage Collar, Float Collar & Float Shoe, Multi-stage Frac Sleeve, Oil-/ Water-Swellable Packer and Hydra-jet Facturing Tool; Oilfield chemical additives
Website：www.shelfoil.com