Shield machine parts produced for the domestic users shield construction, (eg; Germany accessories bearing shield, fixed blocks, etc.) are to be used in subway construction in Chengdu. Different users willing to provide specific shield construction products and technical services. Sincerely listen to opinions and suggestions of users, and continuously improve the performance of our products and services. The twenty-first century is the century of underground space technology, dedication and hope that shield industry friends to strengthen communication and cooperation and achieve win-win!