Dongtai Haitong Metal was founded in 2007, with a plant area of about 26000 ㎡. There are about 120 employees.Haitong mainly produces coiled tubing such as welded / seamless coiled tubing, single / multi core control line, capillary tube, etc. The main materials are stainless steel, duplex steel and nickel alloys. The size range is OD: 4-25mm / WT: 0.3-2.5mm and the length can reach more than 33000fts. The size, length, pressure level and packaging method can be customized to ensure the quality of the equipment and reduce the maintenance cost.