On Jun 15th The shield machine installed LYC main bearings sucessfully gone across the No 10th subway tunnel at Yili Road Shanghai.It ends the situation that domestic shield machine did not use domestic bearings.
 
Shield main bearing is a crucial part of shield machine .Because of the special working conditions it has a strict requirements with the quality reliability etc.As the main research unitLYC organized a Strong technical team. After 3 years continious effortLYC R&D team overcomed more than 10 key technology problems got many breakthroughsand rewarded 6 state patents & proprietary technology in core technology .In the whole  tunnelling projectthe main bearing for shield machine works stable with even torquewhich could completely satisfy the requirements of the main bearing for shield machine.

Other News:
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The first domestic main bearing for shield machine has been successfully trialled
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