Shouguang Kunlong Petroleum Machinery Co., Ltd., lies in world well-known vegetable city - Shouguang, about 150 km from Qingdao port Our company is specialized in manufacturing of petroleum machinery, including --sucker rod: API standand, D&H grade, size( 5/8", 3/4", 7/8", 1 " 1 1/8") with different length --sucker rod coupling: API licenced products, Class T&SM --sucker rod pump: API licenced product, rod and tube pump, anti-sand pumps, injection pumps hydraulic feedback pumps and other special pumps --other fittings As an ISO9001: 2000 certified company, we also have obtained API certificate for sucker rod pump, sucker rod, sucker rod coupling in 2007. With the advantage of advanced equipments, skilled workers and professional developing team, our products have been exported many countries.

Worldwide oilfields.such as USA
Romania
Russia
Kazakhstan
Indonesia
Oman and Syria etc.

API-11AX
API-11B
ISO 9001:2000
ISO 9001:2008

NOV
Weatherford
Sinopeck
etc