The environmental protection group (shenzhen) ltd. Is a scientific research, development, production, marketing, high-tech and environmentally sound technology company, founded by professionals who have graduated from the faculty of chemical industry at toji university and have been engaged in chemical research for many years. With its long-standing commitment to the improvement of the indoor environment, ghana has succeeded in developing three major products, namely, “air cleaners”, “decorated pollution management products”, and “home, car and nursing products”, which are now among china's powerful indoor environmental companies. The company has invested heavily in the establishment of scientific research centres and the introduction of european extraction separation techniques, in particular environmental technology companies that use natural plant extraction fluids for indoor pollution management. Both in product research and development and in...