News

In the golden autumn of October, with branches laden with fruit, the 29th PTC ASIA 2025 (Asian International Power Transmission and Control Technology Exhibition) successfully concluded on October 31st at the Shanghai New International Expo Centre.

​At this wonderful moment of bidding farewell to the old and welcoming the new, Qingdao Ruichen Sealing Technology Co., Ltd. held the "Unite Hearts and Minds, Set Sail for Dreams" New Year's Party and Annual Commendation Conference on January 23, 2025.

​"Keep pace with the world and keep pace with the future", the 2024 3rd Xuzhou International Construction Machinery Exhibition was held at the Xuzhou Huaihai International Expo Center from May 17 to May 19. Construction machinery companies from all over the country gathered in Pengcheng to see the new development of Xuzhou construction machinery!

​This seal is composed of a toothed sealing ring filled with PTFE material and an O-ring rubber ring, suitable for one-way sealing of hydraulic and pneumatic reciprocating and rotary motion. It has the characteristics of high life, low friction, good sealing, small structural space, and can be used for water pressure sealing.

The RC2059 rotary shaft combination seal consists of a modified, contoured sealing ring and an O-ring.

The RC15 V-Shaped Combination Seal for piston rods consists of a set (of at least three) V-shaped sealing rings, a compression ring, and a support ring.