We are a chinese company running business in seamless steal pipes.Currently, product of hot rolled thick wall pipes are supplied by us. The features of these pipes like: AISI :1010, 1020, 1026, 1035-1037, 1040, 1045,1046, 1340, 4118,4119, 4140, 4145H, 4340, 4142, 5120-5140, 6150, 6151, 52100…ASTM: A 106 Grade: A-B; API: J55, N80.etcRange is OD:51-219mm* WT:8-60mmThe products can be used for any purposes like the mechanical tube, oil field and automotive field, especially for drill pipe for oil field and petroleum casing tube etc. The typical features are carbon or alloy seamless steel pipe, We offer the raw product as well.We will give our competitive price for the casing which you need and expect to establish long mutual benefit relationship with you.