Technology

04-24

ZYS assisted China's largest diameter mud-water balance shield machine Canal to go down smoothly

On January 20, the cutterhead of China's largest diameter mud-water balance shield machine "Canal", which was independently developed and manufactured by …
04-24

ZYS assisted China's largest diameter mud-water balance shield machine Canal to go down smoothly

On January 20, the cutterhead of China's largest diameter mud-water balance shield machine "Canal", which was independently developed and manufactured by …
04-24

FK Notice on Upgrading FC200 Series Bearing Units

Dear customers:In order to improve the reliability of UCFC200 series bearing units, FK upgraded and improved housing of FC200 series. Compared with original …
04-02

ZWZ Group focuses on solving the problem of stuck neck project

Research on bearings for high-speed train bogies, development of multi-row tandem thrust roller bearings, ultra-precision manufacturing and testing technology rolling …