Shouguang Kunlong Petroleum Machinery Co., Ltd., lies in world well-known vegetable city - Shouguang, Shandong of China, about 150 km from Qingdao port.

We are specialized in manufacturing of petroleum machinery, including

-sucker rod: API standard, Grade D, H
-polish rod: API standard, Grade D, H
-sucker rod coupling: API licenced products, Class T&SM,
-sucker rod pump: API licenced product, rod and tubing pump, anti-sand pumps, water injection pumps, hydraulic feedback pumps and other special pumps,
-drilling accessories: seal devices for polished rod, centerlizer for sucker rod, wellhead

As an ISO9001: 2000 certified company, we also have obtained API certificate for sucker rod pump, sucker rod, sucker rod coupling in 2007.

With over ten year's experience, advanced equipments, skilled workers and professional developing team, our products have been exported to America, Rumania and other countries, meanwhile, most oilfield in China also employ our products in working station.