The main products of our co***ny 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 508; 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,...
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