Radiator 1 ecological,seamless pipe; 2 oxidation resistance,corrosion-resistant 3 quickly heat; 4 equitable price 5 widely ... materials; Unique oval tube modelling, the confined ability, water cooling, large capacity, good effect; Outside surface uniform fine, modern ... internal form ,no phosphate nanoscale ceramic membrane. High temperature resistant, fight corrode, surface evenly. Put an end to the ...