About Us

About Us

Location:Home > About Us > About Us

Our History

Xiamen Xlong Seal Co.,Ltd has focused on top quality elastomer seals products for over 10 years in China. We started as a small operation, but now have become one of the leading suppliers in the sealing solution industry in China.

Today, XLONG has been one of the top producers of quality rubber seals and PTFE seals, such as: o ring, quad ring, back up ring, oil seal, PTFE spring energized seal,piston seal and rod seal,etc.

Our Factory

Xiamen Xlong Seal Co.,Ltd is located in the China famous bay city-Xiamen. As a global supplier in the o ring, quad ring, back up ring, oil seal, PTFE spring energized seal,piston seal and rod seal products, XLONG is to create added value for customers around the world.

Our Product

Xiamen Xlong Seal Co.,Ltd Products includes the following: 

1, O ring

2, Quad ring

3, Back up ring

4, Oil seal

5, PTFE spring energized seal

6, Piston seal

7, Rod seal

We supply elastomer seal products all over the globe to a wide range of companies worldwide, ranging from large multinational organizations to small individual companies.

Product Application

Elastomer seals for Industry use are widely used in the following industry, such as oil gas industry, engineering, nuclear and power:



---climate control


---fluid & gas handling

Our Certificate

We always feel that all success of our company is directly related to the quality of the products we offer. They meet the highest quality requirements as stipulated in ISO:TS16949, FDA, ROHS,KTW, WARS SGS guidelines,and NORSOK M-710 RGD qualification to NORSOK,and our stringent quality control system.

Production Equipment

We are capable of technically strong R&D center, advanced mold processing technology:

1. Precision production equipment: vacuum plate vulcanizing machine, freezing edger, CNC machining center, lathe, intelligent two-stage vulcanizing oven, automatic sorting machine.

2. High-end detection equipment and detection system: full detector, tensile tester, anti-aging tester, compression deformation tester, solvent resistance tester, sulfur change tester, hardness automatic tester

3. 100% raw material inspection of raw materials; equipped with professional formula engineers to optimize physical properties; perfect ERP and ERP auxiliary management system; passed ISO/TS16949 quality management system.

Production Market

We have customers from both domestic market and oversea market. Xiamen Xlong Seal Co.,Ltd Sales managers can speak fluent English for good communication. Our main sales market:

South-East Asia: 35%

North America: 20%

South America: 18%

Middle East: 15%

Europe: 12%

Our service

Besides our existing molded products, Xiamen Xlong Seal Co.,Ltd also can produce rubber products according to the drawings or samples from our customers. We control the product quality critically for every step during the manufacturing.We offer technical support that is second to none.

  • Kefu