Quality certification, iso environmental management system, enterprises in the selection system certification bodies in general should consider four factors: authority, pricing, customer acceptance of business and certification bodies. Quality Certification, a third-party as well as to the first party responsible for Weinan environmental management system, but also responsible for the second, to be open, fair and equitable, to obtain a certificate issued by the trust of both sides. Shaanxi Weinan EMS - Thai credit rating _ _ EMS standard provided by the Shaanxi-Thai credit rating firms. Shaanxi Weinan EMS - Thai credit rating _ _ Environmental Management System Shaanxi - Thai credit rating firm (www.gtxinyong.com) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Ray always.