DongGuan HuaHong Rubber & Plastic material Co., Ltd was founded in 1998, which wholly belongs to the enterprise of HongKong Wah Hing Technology Development Ltd. Our products on the research , service and innovation are continuous in progress with a number of research institutes, famous universities and the help of advanced technology in HongKong and abroad. The production base in DongGuan is to mainly develop and produce Silicone additives " silicone compound, fluorine rubber, liquid silicone rubber, silicone vulcanizing agent, color extract, color paste, printing ink, surface...