For larger heat transfer area of shell and tube heat exchanger, around 500, to find a lot of manufacturers are not, are only more than and 300, find good people to help on a map, with detailed parameters, you can attach the size, do not know can not put it down. Please, please.
Changzhou YangHua chemical machinery co., LTD
Nanjing Duble Metal Equipment Engineering Co.,Ltd.
Nanjing Debang metal equipment engineering Limited by Share Ltd Liu Peng 13851953720 QQ53206569
JIANGYIN ENZE REFRIGERATION EQUIPMENT CO.,LTD