Shandong Wanshan Chemical Co.,Ltd is a whole owned subsidiary of Shandong Wanshan Group Co., Ltd. As an ISO 9001:2008 certified firm Shandong Wanshan Chemical Co., Ltd is the largest manufacturer of a kind of concrete admixture: SNF (Sodium naphthalene formaldehyde powder) in China, and we are subsidiary of SHANDONG WANSHAN GROUP CO., LTD. Our production capacity reaches 900,000 MTs/year. Our factories have realized scale production, we produce the raw material of formaldehyde by ourselves, and we buy the raw material of industrial naphthalene from our neighbor factory who is 50 meters from us. The coal gas we used is producing by ourselves. All those reduce our production costs, so we can offer the best price. WANSHAN brand is named “Famous Trademark of China” by Trademark Office of SAIC of People’s Republic of China. We keep paying high attention to the products quality and we win market with high quality, professional service  and so that we gain high reputation among the world.