Ningbo Haishu Jiesai Precision Machinery Co.,Ltd(referred to as JieSai),Is a excellent manufacturer and supplier of equipment for heat exchanger, JieSai is committed to development,innovation,design,production and sales of machinery and equipment in A/C line and other heat exchanger,JieSai has successfully developed Return Bender,Ring Loading Machine,Vertical Expander,Two-position Vertical Expander,Automatic Hairpin Bender,Coil Straightening & Cutting Machine,Portable Expander,Fin line and other special equipment.At the same time,we alsi suppy spare parts of all kinds of equipment and attersales servise.JieSai is based on a sustainable values,keep improving production technology and service concept,to meet and exceed specifications set by users. To race world with outstanding quality!JieSai aincerely expect to cooperate with you and create a bright future!