Guangzhou Zhonghang Environmental Protection Technology Co. The main products are microfilter, circulating water intelligent control system, water quality monitoring system, protein separation equipment, sterilization equipment, filtration equipment, dissolved oxygen equipment, ozone equipment, equipment, filler, and many other circulating water aquaculture water treatment equipment, specializing in the design and manufacture of factory circulating water aquaculture treatment systems, oceanariums and aquariums, raw water treatment systems, and other water treatment projects, set of independent R & D, design, sales, Production, installation, maintenance as one of the high-tech enterprises.