TOPCO has achieved rapid growth in both business operation and margin every year since established in 1990. As being a total solution provider in high tech industries, we have always based upon our professionalism to expand new business areas and to introduce new products, new technology and new services to our customers. The new product, technology and services are applied to various industrial fields, including semiconductor materials and equipments, opto-electronic materials and equipments, electronic materials, environmental engineering, used equipment system integration and maintenance, spare parts investments, turnkey fab establishments and relocations and so on. Based on our expertise, we have earned much recognition from our customers.