Hao Yu Steel Co., Ltd. Tianjin Tiantai is a nickel-based alloy, austenitic steel, precipitation hardening steel, duplex steel, copper-nickel alloy, pure nickel, titanium and titanium alloy, high alloy pipes, boiler and heat exchange Used for stainless steel tube; oil cracking of stainless steel seamless pipe; "U"-type heater tube; boiler with high, medium and low voltage stainless steel seamless pipe, and the series, the specifications of seamless stainless steel pressure piping. Applications involving petroleum products, chemicals, shipbuilding, chemical machinery, power plant boilers, nuclear power, papermaking, pharmaceutical and other industries, but also targeted R & D and military, aerospace and other advanced technology to match the high quality stainless steel seamless pipe.