Dear sirs: we are a leading manufacture and exporter of seamless carbon and alloy steel tube , oilwell tubing and plain end line pipe. We can provide you the following products with the competive price .I think we can have a good cooperation and build long term relationship Size range of1) Cold drawn seamless carbon and alloy steel tubes diameter:38.1-114.3mmStandard: ASTM A210 A532) Oil tubing diameter: 2 3/8” 2 7/8” 3 1/2” 4” 4 1/2” length:31ft-30ftstandard: API 5CT3) Plain end tubing diameter:1/4” 3/8” 1/2” 3/4” 1” 1 1/4” 1 1/2” 2” 2 1/2” 3” 3 1/2” 4” 5” 6”standard: API 5L/ASTM A106/A53