JHC is the biggest manufacturer in the supply of wire-on-tube condenser/evaporator for refrigeration unit. It has two manufacture centers in China, one is located in South China, near to HongKong, another is in North China, near to Beijing. JHC has advanced equipments and team management and ISO9000 quality control system to keep reliable products quality. We have total 22 welders including 2 Schlatter Automatic Welder,8 four to six heads half-automatic welders and 12 single head welders, the production capacity is more than 3.5 million pcs/year in two shifts. JHC is main supplier for refrigeration tube which include brazed single wall steel tube and zinced Single wall steel tube, double wall steel tube. The quality and price of JHC can beat with any supplier in the world.