Tianjin is its main product-covered ball Haeundae, smart-ball, intelligent control keyboard, DVR (hard disk video system), the matrix, network cameras, and other aspects.

• 天津正通其主要产品涵盖了球型云台、智能高速球、智能控制键盘、DVR（硬盘录象系统）、矩阵、网络摄象机等多个方面。