Royan Sanat Rubber Industries offers a variety of rubber caps, rubber bases, types of laboratory caps in different dimensions and materials. Types of Manufacturing Rubber Manufacturing Cap Rubber cap. In the pipe cover. Profile cap Pipe Cap at Pipe Factory and Profiles Tubing cap in laboratories. Sanitary Silicone Cap Rubber cap for anti-chemical and petroleum products Call for more information Factory Phone: ۰3134395613 Cell: ۰9131648۰54 ۰913۰1۰3۰9۰