Chengduhuajin environmental technology co. Ltd. Is a high-technology enterprise that combines r & d, production, marketing, and service one. It is the "aaa-class credit firm" assessed by the china quality inspection association, the top 10 brands of china's water purification industry in 2014, and the sichuan province's high-technology company. With professional r & d teams, advanced manufacturing equipment and considerable development power, companies have successively developed and produced six series of nearly 100 products, including reverse osmosis water purification machines, water purification units, soft water machines, large-scale water treatment equipment and air purification units. The company produced the "four of sources" air cleaners, using "fifteen" technology for major scientific and technological achievements, which was awarded the "first prize for science and technology at the chinese society of preventive medicine". At present, during the period of hua jin,...