NTJF intelligent equipment CO., LTD is a company specialized in the r&d, manufacture, sales and service of complete heat exchanger equipment and nonstandard intelligent equipment. Our company in principle of "persist improving,seeking innovation" corporate purposes, has developed high speed fin press line machine, automatic tube straightening cutting machine, Tube bender, tube expander, heat exchanger folding machine and related tube forming equipment. Satisfied household, commercial air conditioning, refrigeration chiller unit industry,air energy heat pump industry one-stop purchasing dem......