Hunan Shinestar Steel Group is established in 1990's and our group is consisted of the factory and trading company. We, Threeway Steel Co., Ltd. is mostly in charge of the export business under the whole group.Our major products include seamless steel pipe, welded pipes and special welded pipes (ERW, SAW, LSAW, SSAW, DSAW etc. ). The details are as follows:1. Seamless Steel Pipe:Outside dimension: 1/2" - 24"; Wall thickness: 2.11mm - 30.96mm;The ordinary fixed length: 5.8mtr-11.8mtr;2. ERW Steel Pipe:Outside dimension: 6mm - 610mm; Wall thickness: 5mm - 22mm;The ordinary fixed length: 6mtr - 12mtr;3. LSAW/DSAW Steel Pipe:Outside dimension: 219mm - 1820mm; Wall thickness: 5mm - 50mm;The ordinary fixed length: 6mtr - 12mtr;4. SSAW Steel Pipe:Outside dimension: 219mm - 4064mm; Wall thickness: 3.2mm - 25.4mm;The ordinary fixed length: 6mtr - 12mtr.Our products are qualified with multiple quality standard such as GB/T 3091/9711, SY/T 5037, ASTM 53, API 5l, BS 534/3601, DIN 1626/2440, EN 10240, JIS G3444, IS 1978, etc., and most of the material is accordance with the customers all over the world.We are equipped with the complete machines, such as the heat furnace, piercing mill, hot rolling mill, tube cutter, cooling bed, ultrasonic and eddy current detection facility and various concerned welders and the full inspecting and marking equipment etc.Our company are with full service system including the efficient purchase ability, the quality control organization, the convenient logistics and the open ways of payment etc. So that we would serve you based on the complete service system, best products with competitive price and the mutual profitable business minds.Pls don't hesitate to contact me if you are interested in our products.