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China Dongguan Ruichen Sealing Co., Ltd.
Dongguan Ruichen Sealing Co., Ltd.
DONGGUAN RUICHEN SEALING CO., LTDSHANGRAO RUICHEN SEALING CO.,LTDRuichen Sealing Co., Ltd was built in 2006, The company has two branches in Dongguan and Shangrao.They are Dongguan Ruichen Sealing Co., Ltd. and Shangrao Ruichen Sealing Co., Ltd.. We mainly produce rubber o rings , gaskets , ball , grommet and customized rubber part. Shangrao Ruichen as production base , covering a total area of 18,000 square meters, with total assets of 100 million yuan, more than 300 employees and 46 sets of ...
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quality FKM O Rings & NBR O Ring factory

Durable O Ring Kit Box - G AS568 Standard 30 Dimensions 382 Pieces NBR 70 Black Video

Durable O Ring Kit Box - G AS568 Standard 30 Dimensions 382 Pieces NBR 70 Black

Material:NBR / Nitrile Rubber


Standard:AS568 Standard

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black good electrical insulation silicon rubber switch cover for electric toothbrush

Product Name:Silicon Rubber Switch Cover

Hardness:30-80 Shore A


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AS568 Waterproof NBR O Ring Rubber , Colored Orings Excellent Air Tightness


Hardness:70±5 Shore

Colors:Black , Green , Purple , Red , White , Blue

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Coloured Silicone O Rings Food Grade Sunlight Resistant Standard / Nonstandard



Color:Red , Yellow , Orange ,Blue , Green , Purple Ect

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Very professional o ring factory .We are satisfied about the quality and service
Mohammad Yusuf
We import o rings and rubber seals from Ruichen Sealing for more than 5 years . They are honesty and reliable .
Mai Cool
Nice rubber gaskets and o rings
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INVITATION for exhibition -Machinex Dubai 2024
INVITATION for exhibition -Machinex Dubai 2024
Our company will attend exhibition -   Machinex Dubai 2024    Booth NO.: S1I112   Date: 10:00-17:00 12 Jun. 2024 - 14 Jun. 2024‪   Address: Dubai World Trade Centre   Location: Dubai,United Arab Emirates   Welcome for your arrival !  
Manager George led the team to visiting
Manager George led the team to visiting
On Thursday, June 15,2023, Manager George led his team to visit SHANGRAO RUICHEN SEALING CO.,LTD.Confucius once said: " What a joy it is to have friends coming from afar! ". The RUICHEN team warmly welcomed the arrival of the distant guests. At 10:30 in the morning, they had a meeting in the office . Both sides gave a brief overview of their companies and future strategic planning, The parties concluded the conversation two hours later. Subsequently, the leadership team of RUICHEN company led the customer to visit the workshop for producing rubber gaskets and o rings, and introduced the production process、 quality control and new automation equipment in detail and so on. After visiting the workshop, they came to the conference room. General manager Wen explains product report to the customers and explained the ERP production system of operation and function, let customers know the pursuit of the standardization of our company quality. Before Leaving, the customers made a satisfactory evaluation of today's visiting, but also highly praised the professionalism and dedication of our team. Such praise makes us proud! At the same time, we will further improve our production level, live up to the expectations and trust of customers, to provide customers with more qualified rubber products.
What is An O Ring Seal?
What is An O Ring Seal?
  The History and Application of O Ring Seals   O-ring seals are a ubiquitous sealing solution used in a wide range of industrial applications. These circular seals are made of elastomeric materials, such as rubber, silicone, or fluorocarbon, and create a tight, reliable seal between two surfaces. The history of O-ring seals dates back to the early 20th century, when they were first used in the aerospace industry. The first O-ring seals were made of natural rubber and were used to seal hydraulic systems in aircraft. Over time, the materials used to make O-ring seals have evolved, with synthetic elastomers replacing natural rubber and expanding the range of applications where O-ring seals can be used. Today, O-ring seals are used in a wide range of industries, including automotive, aerospace, oil and gas, and medical. They are used in hydraulic and pneumatic systems to prevent leaks, and in engines to seal off various fluids and gases. O-ring seals are also used in consumer products, such as water bottles and showerheads. One of the key advantages of O-ring seals is their versatility. They can be made from a wide range of materials, each with its own unique properties. For example, Fluoroelastomer (FKM) O-rings are used in high-temperature applications, while Silicone O-rings are suitable for high-temperature and low-temperature applications. The choice of material depends on the specific application requirements. Another advantage of O-ring seals is their ease of installation and replacement. They can be easily installed by hand or with simple tools, and can be quickly replaced when necessary. Proper installation and maintenance are crucial for their effectiveness, and O-ring seals must be inspected regularly for wear and damage. In conclusion, O-ring seals are an essential component in many industrial systems, providing reliable sealing solutions in a wide range of applications. Their history dates back to the early 20th century, and their versatility and ease of use have made them a popular choice for sealing solutions. With ongoing advancements in materials and technology, O-ring seals will continue to play a vital role in the industrial world. Related Products
Documentary by CCTV-9
Documentary by CCTV-9
In the spring of 2019, Ruichen Sealing(ORK) welcomed a number of important guests, CCTV-9 program camera crew. They followed the production process of rubber seals, and interviewed Wendy Wen, Ruichen's founder. The documentary is in post processing and coming soon.   ORK is foucus on rubber seals since 2006, we make rubber rings as our main products, especially o rings.   Material include NBR (nitrile rubber), EPDM, SBR, NR, FKM, Silicone, FFKM, PU and so on.   Contract Signing & Boot Ceremony     The program camera crew followed the production process of rubber seals.  
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