الوصف

Structure and manufacturing process

*  Porcelain Core: manufactured with high alumina porcelain 

    raw materials;

*  Silicone Rubber Sheds: HTV silicone rubber, with alternative        shed profileï¼›

*  With the high pressure injection molding at high

    temperature, the silicone housing is fully bonded to the

    porcelain solid core which cemented fitting in advance.

   The silicone housing adheres directly to the fitting without  the

   need for artificial sealing;