标题（Title） 一般不超过80个字符
VIGOR - China Coupling, Drill Pipe, Sucker Rod, Drill Collar, Oilfield Pumping Unit Manufacturers and Supplier
（110 个字符）
关键词（KeyWords）一般不超过100个字符
coupling, drill pipe, sucker rod, drill collar, oilfield pumping unit, China, manufacturers, supplier, in stock, API, oilfield, buy, competitive price, high quality, fast delivery, look for
（189 个字符）
描述（Description）一般不超过200个字符
China Vigor manufactures and develops the downhole drilling tools, such as coupling, drill pipe, sucker rod, drill collar, oilfield pumping unit etc, which comply with API Spec.7-1 Vigor have the capability of customized tools for special circumstances use.
（257 个字符）
