GPI, established in 1993, has been designing ,manufacturing and distributing cross line laser, rotary laser and other surveying instruments in Taiwan for 20+ years. We strive to provide our customers with the most advanced products with the knowledge developed over the years. GPI has already been certified by ISO-9001. We enjoy good reputation worldwide from our goal to achieve top of the line qualify with our products. We are openly looking for any kind of partnership to grow together.