Domestic Operation Tone Zoom Industry Co., Ltd Established in 1986, the main business included the manufacturing and sales of SMC Slab Forms, Air Conditioner base frame, Counter Top and Cooling Towers. Global-entech Co., Ltd. Global-Entech is established in 1989. We are devoted our efforts to the environmental affairs, helping public or private sectors to fulfill the environmental regulations in Taiwan. Etrovision Technology Co., Ltd. Etrovision Technology is the industry leader in designing and marketing high-quality digital video products for both professional enterprises and consumers. Wha Dun Building Management Service Co., Ltd. In order to increase the quality and management service level, Wha-Dun develops a centralization center to ensure and monitor the current on-going project and to provide the real-time supports. 1
Tone Zoom Industry Co., Ltd Established in 1986, the main business included the manufacturing and sales of SMC Slab Forms, Air Conditioner base frame, Counter Top and Cooling Towers. Global-entech Co., Ltd. Global-Entech is established in 1989. We are devoted our efforts to the environmental affairs, helping public or private sectors to fulfill the environmental regulations in Taiwan. Etrovision Technology Co., Ltd. Etrovision Technology is the industry leader in designing and marketing high-quality digital video products for both professional enterprises and consumers. Wha Dun Building Management Service Co., Ltd. In order to increase the quality and management service level, Wha-Dun develops a centralization center to ensure and monitor the current on-going project and to provide the real-time supports.