Precision Instrument Co., Ltd. Shenzhen, tai chi (formerly: Yi letter D Technology) is a famous high-tech enterprises in Taiwan Chi-Tai Technology (3DFAMILY) investment in the Chinese mainland enterprises, mainly engaged in the optical image measuring instrument and three-dimensional laser scanner machine R & D and production. The company produced the VM series of high-precision video measuring instrument, measuring instrument types of images, LSH series of three-dimensional laser scanner (scanner machine) is widely used in industry product development, mold design, prototype production, original sculpture, RP Rapid Prototyping , circuit board inspection and other fields, greatly enhancing the efficiency of the industry.