Summary: Dongying Lianfeng Petroleum Machinery Co., Ltd. is located in Dongying Economic Development Zone, the hinterland of Shengli Oilfield, the second largest oil field in China. It is mainly engaged in the production and sales of oil drill pipe joints. The com...

Summary: Advanced and excellent equipment is the guarantee of product quality. Lianfeng company pays attention to the quality of products and the renewal of production equipment. The main production equipment are: Speria pre pumping vacuum heat treatment furnace u...

Summary: Quality makes brand, quality creates advantage. The company has been committed to "quality win the market" of the assiduous exploration. With the development of Dongying economy relying on oil development, Lianfeng Petroleum Machinery Co., Ltd. will als...

Summary: Our drill pipe joints are supplied to domestic drill pipe manufacturers all year round...

Summary: Due to the increasing orders, it is necessary to expand the production scale. The picture shows that the new workshop has been completed and put into use....