Ofs (oil-field-supplier) is a joint sales agent of three manufacturers and suppliers for oil field, mainly providing oil grade Barium Sulfate, Geophones and Ceramic Proppant. All these products are not only well sold in China mainland market but also worldwide.
Ofs(oil-field-supplier)is professionally concentrating on selling these goods and hope to build a good business relationship with the oil field purchasers from all over the world by high quality products, good service and tempting prices.
OEM orders are always welcome.