JIANGSU YOUYAO PETROLEUM MACHINERY CO., LTD.  

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Jianhu County YOUYAO Valve Factory is a specialized manufacturer of API Spec 6A valves and Wellhead equipments. We have passed an International Quality System certification of ISO 9001, and we have obtained API 6A Monogram Certificates, also have become an authorized licensee of API monogram. We have many qualified engineers in Valves, wellhead equipment, casing & tubing heads, spool, tees & crosses, etc. Petroleum equipment. Which are strictly in accordance with ISO standards, API standards, ANSI standards, GB National standards and SY speciality standards, and used widely in petroleum, chemical. We have kinds of heating and machining production equipments along with complete inspection measurement devices. We can design and fabricate products, Our perfect technology will bring you best benefit. We have advanced process equipments and powerful technology capability. We have a good credit standing for contract implementation, and we always keep a business purpose to enhance ... [详细介绍]