湖南长沙圭塘河底泥重金属污染治理方案评审会

Session of Proposal Examination of the Sediment Remediation Project of Guitang River in Changsha Hunan

美国NWC公司的CEO 托尼先生和王起博士亲临现场做技术演讲,并回答学者和政府人员提出的种种关于产品及技术的问题

The CEO, Mr.Tony, and Dr. Wang Qi of US NWC made presentation and answered the questions asked by officers and scholars