We are member of Shandong Wanda organosilicon, Silane additives & Sealant adhesives manufacturer, our core business silane coupling agent has been in the leading position for nearly 30 years. We focus on efficiency, environmental protection and sustainable development. The development of WANDA organosilicon thanks to our leading technology strength and relatively complete industrial chain. We are a group company composed of sales, research, development, production and so on. Our products are used in many fields, such as coatings, cables, adhesives and sealants.