Zhengzhou Gecko Scientific  Inc. develops,manufactures, and distributes specialty chemicals, including organosilicon compounds, reactive silicone fluids, silicone products，phosphine compounds 、other organic compounds . We offer low cost, high quality fine chemicals from gram, kilograms to industrial scale for your needs. GECKO has passed through ISO9001:2000 quality control system. Your satisfaction with the quality of our products is 100% guaranteed. We are looking forward to serving y