Certificate of conformity of quality management system certification
发布时间:2020-06-11 点击数:116
Guangdong Yunyan Special Cement Building Materials Co.,Ltd. is in
conformity with GB/T 19001-2008 / ISO 9001:2008 Standard, this system is
valid for the manufacture of epoxy glue for building, polymer mortar,
cement adhesive and interior & exterior wall paint