SST founded in 2006, is the largest manufacturer and exporter of stainless steel customized water tank and the most mature manufacturer of DUPLEX stainless steel water tank with leading butt-welding technology in China, and obtains more than 50 inventions and utility model patents.Its products cover: heat pump water tank, gas boiler tank, buffer tank, electric water tank, pressure solar water tank, heat recovery water tank, solar system related accessories and related stainless steel customized products.