Profile: Tianjin Security-Chemical Technology Ltd. Co. offers refinement of chemicals, pesticide standards, photochromic materials, UV fluorescent materials and central resin curing agent of oxygen to promote the development of chemical products. Our products are UV fluorescent pigment, ultraviolet fluorescent material, curing & accelerating agent, photochromic dye, up conversion infrared pigment, fine chemicals, pesticide standard, instruments & equipment, UV fluorescent fiber, water treatment disinfectant and chemical reagent.