• About YUELONG


YONGJIA YUELONG SEAL CO.,LTD. is located in Yongjia, Wenzhou – a famous Pump & Valve Hometown in China. Boasting a beautiful environment with mountain and water views plus being easily accessible, the company is a professional manufacturer of various O ring and Spring Energized Seal ring Series integrating R&D, manufacture, sales and services. Founded in 1998, formerly the company had a building area of 500 square meters and 10 employees. Through development up to now, it has had a building area up to 5,000 square meters and boasts an efficient management team, a technical force with sophisticated technology and a professional quality control team. Over many years the company has been updating equipment and adopting professional automatic manufacture and testing equipment.


Our company adopts a modern quality system for management and upholds a management concept of continual improvement and a quality policy of quality first and service for customers for our operation and management. Our quality assurance system has passed the certification of ISO9001. Through many years of dedicated operation, our company has been recognized as a qualified supplier by a lots of well-known Valve&Pump companies.  We are constantly focused on the development and application of rubber seals worked in a variety of severe sealing environments. In 2014 our company obtained sixteen patents of utility model. That's made YUELONG brand becomes A Leading Manufacturer of High-Quality O-Rings and Rubber Seals Products in China.  

Our Main products are O ring , X ring , Y ring, Triangle ring , Square ring, Encapsulated Ring, Spring Energized Seal Ring ,  Rubber Flat Washer,  Rubber Cords , Rubber Balls ,  All kinds of Framework Oil Seals,  Valve & Pump&Vehicles Seal Accessories, and All kinds of Rubber Profiles can design accoding to customer's request. 

Our products have covered nearly 30 provinces/municipalities/autonomous regions of China, and also been exported to Europe, America, Germany, the Middle East, Hong Kong, Macao, Taiwan and other countries and regions. We now have about 100 employees and boast advanced production technology, daily output 800,000 pieces. We understand the importance for the quality and the force from the science. Forcus on the telents form the professional, the perfect from careful jobs. We have a professional team who are creative and dedicated, with excellent execution, to ensure that every product and every step perfectly executed. We adhere to the perfection philosophy and hightlights it on each product.  “Not only the best , but the better” , strive to create first-class products, establish a good Yuelong brand language. 

YUELONG will continue to forge ahead as always to make its contributions to a beautiful cause and will never stop to manufacture a monument of the Chinese Sealing industry.


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