Nanjing Union Silicon Chemical Co., Ltd. is one of the leading producers and exporters of silane coupling agents, antifoams &defoamers, especially in organosilanes, which are often used as coupling agents，in China. Our team has been in these businesses for more than 10 years, during which organosilanes, antifoams and defoamers have grown up to an industrialized market in China. Our strength: It’s all from our sourcing and production. We, USI Chemical, are strong at Amino Silanes, Foam Cont...