Hengyang Valin Steel Tube Co., Ltd
Founded in 1958, Hengyang Valin Steel Tube Co., Ltd (hereinafter referred to as HYST) is China‑based professional seamless steel tube & pipe producer, with over 3,000 staffs and overall assets worth nearly RMB 20 billion. HYST has an integrated seamless steel tube & pipe production chain and advanced production lines. HYST's three leading products include oil and gas pipes, pressure vessels pipes and mechanical tubing with independent intellectual property rights, widely applied globally. HYST's products have been sold to customers in hundreds of countries globally covering petroleum, power, nuclear power and construction fields.