Guangdong OLIVIA Chemical Industry Co., Ltd. Is one of the biggest professional silicone sealant manufacturers in China, specialized in researching & developing, producing and selling of high-grade silicone sealants and other organic silicone products for general sealing and glazing applications. As a leading manufacturer, we provide quality products at competitive prices with excellent services for all our customers. Our products share a big market share in China, and have gained worldwide recognition and reputation in many countries.