Dayi Chemical Group, are an ISO9001 certified organosilane manufacturer in China. We operate in all fields of the organosilane industry extending from research, development to manufacture, sales and service delivery. Currently we have two main production outfits and one R&D center: Laiyang Dayi Chemical Company Limited, Qingdao Dayi Chemical Company Limited and Dayi Organosilane R&D Center. We offer a diversified array of products including silicone oil, emulsion, rubber, resin, surfactant and m...