Chongqing diandun environmental science&technology co., Ltd islocated in the famous moutain city of China, chongqing. We are concentrate in the R&D, manufacturing, marketing of environmental rquipment. Our main products covers water treatmanet equipmnet, advanced composite material, integrated puming station, integrated water purification machinery, integrated drainage treatment equipment etc. "People oriented, customer first" is our operation principle. Sincerely hope to provide our excellent products and service to customers all over the world.