- Aug 25, 2018 -
23th, 8 2018, Zhengzhou Delong Chemical Technology Co., Ltd. has taken SGS certification shooting. The whole shooting process took nearly one afternoon, and has a perfect ending with the perfect cooperation of all employees.
SGS is a company that is a quality system certified company. It is one of the largest and most authoritative companies in the world. And their report is very authoritative.