About us

Tianjin Rongyi Technology Co., Ltd. is a comprehensive service provider specializing in R&D, production, sales and technical support of additives for dry mixed mortar products (waterproof mortar, putty, tile glue, self-leveling, gypsum mortar, etc.).There is an investment of millions of dry mixed mortar comprehensive laboratory, a number of products are self-developed, self-produced or customized,...