中国排名第一的化学建材制造商和出口商

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
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