TIANJIN DALIPU OIL COUNTRY TUBULAR GOODS CO.,LTD is a modern professional industry and trade combined enterprise, specializing in producing and trading seamless steel pipes.
The main products of our company are the oil casings and oil pipelines. We not only supply our goods with many large oil fields, but also establish a long-term business relationship with the Middle East Europe, Africa and other countries around the world and co-operative very well.
The implemental standards for the oil casings are API 5CT; the specifications include from 60.3 to 508mm; the steel grades include J55, K55, N80, L-80, P-110, C-90, C - 95, T-95 and so on; the merchantable claspers are STC , LTC, BTC , etc. 
The implemental standards for the oil pipelines are API 5L; the specifications include from 219.1 to 2032mm; the steel grades include Gr.B, X42, X46,X56,X60,X70,X80 and so on
At the same time we also supply a large number of seamless steel pipes in different uses, such as fluid pipes and structural pipes. Besides that, we have many years of co-operation ships with Tianjin Large Seamless Company, Baogang Steel Pipe Company, Anshan Steel Pipe Company, which make sure our abundant resources.