International:0599-6301053
                  Domestic:0599-6301595

                  special service

                  R & D Center

                  Quality first, service first

                    Since its inception, the company has been devoting itself to the continuous development and updating of activated carbon products, setting up a Xinsen product technology research and development center, covering an area of 78,000m2, an R&D building area of 5000m2, and acquiring and equipping domestic and foreign advanced R&D testing instruments and special equipment. Including scanning electron microscope, aperture detector, particle size distribution analyzer, atomic absorption spectrometer, ultraviolet and visible spectrum analyzer, liquid chromatograph, multi-functional gas adsorption analyzer, etc., and setting up electrochemical laboratory, high temperature laboratory, gas Test laboratory, catalyst R&D laboratory and pilot plant.

                  1.jpg

                  ? 50岁短裙丝袜老熟女,50岁老女人操逼视频,50岁老熟妇乱视频,50岁老熟女俱乐部,50岁老熟女牲交免费