Hunan Weidu Energy Saving Materials Co., Ltd located in Tongguan Town, Changsha City, Hunan Province, PR China, is a high-tech enterprise specializing in the production and sales of silicone sealing materials and the research of development with testing of related products. The company produces silicone weather-resistant adhesive, curtain wall structural adhesive, neutral transparent adhesive, insulating glass adhesive, environmental protection decoration adhesive, waterproofing membrane adhesive, road repair adhesive, electronic photovoltaic adhesive which are mainly used in construction, roads, machinery, electronics, automobiles, ships and other industries. At present, our company has automatic production line consisting of 5000L high-speed disperser, 1100L high-speed disperser, static mixer, full-automatic distributor and PLC control system. A perfect experimental testing room has been set up, equipped with testing equipments such as tensile testing machine, ultraviolet aging test box, constant temperature and humidity test box, compatibility test box, automatic moisture analyzer, high-speed dispersion small test machine, high-speed centrifugal mixer, etc., which can carry out national standard data testing and accurate test with research of development products.