SEKO Machinery customized bright annealing stainless steel 5mm diameter coil pipe mill equipment specializes in industrial usage, like HVAC pipe fittings, valve pipe fittings, petrochemical pipes, chemical industry, especially the small diameter heat exchanger pipes. Products dealed with our tube mill could reach ASTM, DIN, ISO, GB and JIS standard. We have most mature design of coil pipe making line in China. Our perfomance is also higher than any other one recently in domestic market.