Elevate Your Sealing Performance with OBT: Your Trusted Partner for Innovative Rubber Sealing Solutions
Welcome to OBT, your premier provider of high-quality rubber seal manufacture supplier in China. We specialize in manufacturing a wide range of sealing products, including O-rings, gaskets, PTFE seals, PTFE bonded rubber seals, rubber diaphragms, rubber ball and rubber grommet.
Our Products Include:
- O-Rings:
O-rings are versatile and efficient rubber seals widely used in hydraulic systems, sensors, automotive fuel line, and automotive cooling line,HAVC system, quick connector. At OBT, we offer a comprehensive range of O-rings designed to deliver superior sealing performance in various applications. - Gaskets:
Gaskets play a crucial role in engines, pipes, industrial machinery, and household appliances by preventing leaks between mating surfaces. Our gaskets are meticulously designed to provide reliable sealing and long-term durability in demanding environments. - Polytetrafluoroethylene (PTFE) Seals:
Known for their excellent chemical resistance and low friction properties, PTFE seals, also known as Teflon seals, are ideal for high-temperature and corrosive environments. Our PTFE seals are widely used in chemical equipment, automotive components, and more. - Rubber Diaphragms:
Rubber diaphragms are flexible seals that respond to pressure differentials, suitable for pumps, valves, actuators, and other equipment across various industries. Designed with precision, our rubber diaphragms ensure precise performance and durability. - Rubber Grommet:
Rubber grommets are essential components used in various industries to protect and insulate materials that pass through openings, ensuring safety and extending the lifespan of cables, wires, and hoses.
Manufacture
High efficiency and reliable process has been implemented in our plant for rubber seals. Both compression molding and injection molding process are used in our plant depending on different type of rubber seals and the volume. The injection molding process has been showed in below:
Deburring with liquid nitrogen
Quality control
IATF 16949 quality system has been implemented in our plant. We conduct inspections at each stage of production, from raw material incoming to finish good 100% inspection. Both automation and 100% manual inspection are implemented.
Rubber material performance test device:
O Ring 100% inspection machine:
O Ring manual inspection and dimension measurement:

Contact us
Please contact us for inquiries or to discuss your specific rubber sealing requirement. Our team is ready to assist you in finding the competitive sealing solution.


