http://www.dlpgg.comExport Departmentmiranda chenPhone: +86 - 22 - 68698932/+86 - 13820341704Fax: +86 - 22 - 86-22-68690382Show more contact information
TianjinTianjin, TianjinChina, 31600Web Page Link: https://www.toboc.com/tianjindalipuoilcountrytubulargoodscoltd733102.aspx
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 .The implemental s tandards for the oil pipelines are API 5L the spe
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