Zhongshan LONGBA lock Factory is specializes in the "LONGBA"brand Anti-theft lock,Tiger lock,Dragon lock,Handle lock,Electric control lock &T type lock;and the keys has T key.cross key,straight key,intelligent key,computer key etc.
among the T key has been registered and approved by the Patent Bureau,its Patent number is 00228538.X,it is uniquely produced,its patent is reserved.this specification key is better than others keys.and cannotbe twisted and broken etc.