Oil Seal Type

Established in 1978, OIL SEAL ENTERPRISE LTD., is a professional and leading oil seal manufacturer aiming to design and supply high precision tooling for oil seals, rod seals, and rubber sealing components. Here we offer diverse types of oil seals produced by rubber outer diameter, metal outer diameter, and metal outer diameter with inner case…etc.


Please do not hesitate to contact us for more information.

Professional Manufacturer Of Vehicle And Mechanical Oil Seals – Lian Yu Oil Seal

Lian Yu Oil Seal Enterprise Co., Ltd. has been a professional manufacturer of vehicle and mechanical oil seals since its establishment in 1978. The company’s commitment to honest business operation, innovation and progress, and excellent service provision comes from the belief that expertise and quality not only plays a key role in the continuity of LYO, but is also the driving force behind its corporate development. LYO does its best to meet clients’ needs, bringing them great advantages in market competition.


By adopting a two-path strategy of OBM (original brand manufacturing) with the brand name “LYO” and OEM (original equipment manufacturing), Lian Yu Oil Seal Enterprise Co., Ltd. has made imprints in global markets on all five continents for decades. Believing that “growth in clients is growth in ourselves, ” LYO has so far enjoyed stable and continuous growth as well as a firm position in the international market. In addition to opening up overseas markets, training quality manpower, maintaining vigorous ambitions, and creating lasting, mutually beneficial client relationships are among the driving forces behind LYO’s business operations.


Lian Yu aims to produce the highest quality of oil seal and export around the world. To keep updated with the latest market needs, the company is using the new technology to improve the transfer and exchange of information across the corporation. It makes every effort to hire the best engineers to develop the oil seal to the latest market requirements. The unrivalled and expertise in the design and manufacture of oil seals has earned the company great reputation for its outstanding performance, superior quality and competitive price. A commitment from all of the staff is to ensure every piece of item leaving Lian Yu has high quality standards built into it. Please contact us with any questions you may have about the oil seal products and services. The representatives are happy to assist you.

Oil Seal Inquiry

ASA is unique in the oil seal industry in that ASA produces its own oil seal tooling. ASA has had more than 10 years of experiences in designing and producing oil seal tooling. In 1994 ASA purchased a new state of the art CNC tool production machine. ASA produces oil seal tooling from OD 12 mm to OD 300 mm, depending on the type of oil seals required. ASA likes new challenges, so your R&D tooling projects are welcome. Bellows are the history of ASA:


  • In 1988, ASA Company was established.
  • In 1992, ASA created its own trademark ASA, and sold ASA products to the world market.
  • In 1997, ASA adopted the famous Japanese 5S system designed to optimize factory efficiency and quality.
  • In 1999, ASA re-built and expanded its factory.
  • In 2000, all the machines used in the factory became vacuum compression machines. By using this kind of machine, ASA reduces defective rates and increase production efficiency.
  • In 2001, ASA was approved by UKAS, U.K. to be an ISO 9001 company with the international quality guarantee system.
  • Products: oil seals, and all kinds of rubber parts
  • Applications: automobile, motorcycles, agricultural machinery, trucks, buses, trailers, exercise equipment etc.
  • Markets: Taiwan, Europe, America, Asia, Africa, Middle East etc.


Contact us now for more oil seal details

OIL SEAL ENTERPRISE – Manufacturer of Oil Seals, Rod Seals

Established in 1978, OIL SEAL ENTERPRISE LTD. is a professional and leading Oil Seal Manufacturer aiming to design and supply high precision tooling for Oil Seals, Rod Seals, and rubber sealing components.

Here we offer diverse types of Oil Seals produced by Rubber Outer Diameter, Metal Outer Diameter, Metal Outer Diameter with Inner Case…etc.


We provide a various types of Hydraulic Seals including Rod Seals and Piston Seals. Hydraulic seals are vital in machinery and can be made from a variety of materials such as polyurethane, rubber or PTFE.


  • High abrasion resistance, high extrusion resistance.
  • Very good elasticity.
  • Profile avoiding dynamic recoil.
  • Improves pressure reactivity.

45-16,Ah Li St ,Cheng Ping Village ,Fu Hsin ,Changhua ,Taiwan
TEL : 886-4-7707930-1
FAX : 886-4-7700687