Hangzhou Dingben Environmental Sicence and Technology Co.,Ltd. is a
professional manufacture for industrial exhaust
ventilation fans , air coolers and OEM metal sheet
fabrications , we have a professional design group and skilled
workers. With more and more foreign orders , in order to
give our foreign clients best service , on year 2013 we
established Hangzhou Chengkuo Import and Export Co.,Ltd. and established a
professional foreign trading team .
Hoping can cooperate with new client from all of the world , we
will give you our best service and quality .