About Us

Tengxuan Technology is a leading company for rotary joints and dynamic sealing technologies in China. We specialize in the research and development of rotary joint, dynamic sealing and related products for steam, thermal oil, pneumatics, gas, hydraulic fluid and water appliances, etc.

Our heavy focus and investment in the research and development of special rotary joints and rotating unions resulted in the accumulation of more than 408 patents including 22  patent for invention.  Professional production lines have been developed meet customer's demands and OEM requirements.


About Us
About Us

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Hydraulic central rotary joints are designed for excavator, crane, grader and tower crane service. Connecting the fixed and rotating parts in hydraulic system of hydraulic pneumatic pipe, Make the piping, the two parts can be 360 ° slewing motion freely without interference. It’s available in number of channels from 1-30, The quality of materials, the precision of our operations and the testing of 100% of joints before shipping made our joints lead for a large range of applications:  hydraulic oil etc. Size 15A~80A Rotating speed 0~10RPM temperature -30°C~70°C pressure 0~25MPa Number of channels 1~30 Suitable medium Hydraulic oil, gas, water  …


Txuan Hydraulic Rotary Joints for Wind Energy Application From singal size to multiple channels, used in the central channel where the cable is connected to the electric slip ring. ML series rotary joint uses the clearance seal, which has self-support and bearing support. It also has stationary sealing and float sealing as option, outside is connected by flange. Due to the clearance seal, this series has gap which needs high requirements for media cleaness. We don't recommend this series rotary joint applies to the hydraulic system which needs pressure maintaining. This series rotary joint has the demands of regular maintenance.…


Recently, with the efforts of Tengxuan technology and sales team, they has successfully completed the delivery of small batch orders with leading enterprises in the wind power industry in accordance with customer requirements, and effectively met customer needs. The product is suitable for the main gear box of wind turbine, and the oil coupling is connected with the threaded pipe of the gear box by flange and bolt, which is used for the oil transfer between the rotating part and the stationary part. This oil coupling seal is reliable, within the range of working oil pressure, temperature and speed, the…

Tengxuan Technology Co., Ltd. Introduction

Tengxuan Technology (stock code: 430602) founded in 1999 which is a high-tech enterprise specializing in research , development and manufacturing of rotary joints and related hydraulic products.