XWC INTRODUCTION WANCHENG Group?is a professional manufacturer which mainly produces defoaming agent, leveling agent etc. The enterprise was founded in 1998, through nearly 20 years development, we have become one of the main Silicone and Non-Silicone Foam Control Agents manufacturers in China, and based on different kinds of industrial processes, our company develops and produces over 100 varieties of anti-foam agents.? Except factory in Guangzhou City (south of China), in 2012, WANCHENG Group ...