Founded in 1993, Hangzhou Biaozheng Rubber Plastic Fittings Factory is a professional enterprise engaged in the research, design and manufacture of rubber diaphragms. The company not only has a complete set of Molded diaphragm rubber molding products such as kneading machine, open mill, filter machine, flat vulcanizing machine, etc., but also set up a mold processing and production center, which can customize various rubbers for customers. Diaphragm. The main products: rubber diaphragm obtained national patent in 1999, the service life of more than 200,0000 times. It has certain advantages in the development of Pneumatic actuator diaphragm special products such as silicone rubber, fluorine rubber, nitrile rubber, ethylene propylene rubber, butyl rubber and other products resistant to nuclear radiation, high temperature resistant oil, high temperature resistant steam and various chemical media.