COTEK is committed to providing proactive service, innovative technology and total quality assurance since COTEK was established in 1986. With Corporate Offices in Tao-yuan, Taiwan, COTEK is a technology-oriented company focusing on developing, designing and manufacturing products including: 1. AC / DC Switching Mode Power Supply – 650 Watts~3,000 Watts 2. DC / AC Pure Sine Wave inverter – 200 Watts~4,000 Watts 3. Inverter Charger 4. Battery Charger * 2021 COTEK awarded as the "D&B Taiwan Top 1000 Elite SMEs"