Yantai Yunsheng Petroleum Machine Accessories Co., Ltd.

Yantai Yunsheng Petroleum Machine Accessories Co. Ltd., founded in ***7, is a professional manufacturer of API Spec *1B Sucker Rod Couplings, including Spray Metal coupling, class T coupling, Sub OD coupling, with various type of Full size, Slim Hole, Over Size, with Big Chamfer, with Wrench Flat, with Bidirectional Cambered Surface Protection, etc., and the thread size are available at 5/8'', 3/4'', 7/8'', 1'', **1/8''. Owning world top level equipments and technicians, the monthly production capacity is more than *0, **0pcs. All of our couplings are excellent in quality and reasonable in price, and the production & inspection are being done fully in accordance with API Spec *1B standard. We got our API Spec *1B Certificate for couplings , the Certificate No. is *1B****8, and we began our International sales since then. Only one year, we have exported our couplings to America, Peru, Argentina, Kuwait, India, Indonesia, etc., and have established long-term cooperation with many of our customers home and abroad, based on our good quality and service. Meantime, we have been the golden Member of ***** for more than two years, showing you more about us online, and hope to be your best supplier and good friend in China.