The products are widely used in electric power industry such as HP heater,LP heater, network heater, various oil coolers, CCW cooler, generator cooler and plate heat exchanger. Meanwhile the tower, reactor, pressure vessel in special materials (titanium /nickel /zirconium etc.), stainless steel (dual phase steel /austenitic alloy etc.), carbon steel (chrome molybdenum steel /low temperature steel etc.) are widely used in chemical, metallurgy, shipbuilding, machinery, oil /gas engineering and other industries.