Description
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.
