Henan Zhenghe Environmental Protection Technology Co. Ltd. ,hereinafter referred to as Zhenghe is located in Zhengzhou) Henan the national central city. It is a professional outdoor public facilities enterprise integrating R , D production and sales. Since the establishment of the company, under the continuous improvement of the management system MANFA,s production personnel have adhered to the continuous innovation in the design and process of public facilities products and the pursuit of excellence combined with the company,s advanced production equipment excellent sales team and perfect after-sales service system, based on Henan and radiating the whole country won the ,AAAA brand enterprise with China”s quality service reputation Chinas ”3.15 integrity enterprise”” AAA credit rating enterprise and other honors have passed Is-9001 international quality management system certification is-014001 environmental system certification, ohsas-18001 occupational health and safety management system certification.