Hangzhou Biaozheng Rubber & Plastic Parts Factory (formerly Hangzhou Lin'an Standard Rubber & Plastic Parts Factory) is specialized in the research, design and manufacture of rubber diaphragms. The factory not only has a complete set of production lines for rubber molded products, but also has a physical and chemical laboratory and mold design, processing and manufacturing workshops, which can customize various rubber diaphragms and other products for customers. Main products: The rubber diaphragm was granted a national patent in 1999, with a service life of more than 2 million times. In the development of special products such as silicone rubber, fluorine rubber, nitrile rubber, ethylene propylene rubber, neoprene rubber, butyl rubber, etc., as well as products resistant to nuclear radiation, high temperature oil, high temperature water vapor and various chemical media Has a leading domestic advantage.