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Company Profile

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:

  • DC / AC Pure Sine Wave inverter – 200 Watts~4,000 Watts
  • Inverter Charger
  • Battery Charger
  • AC / DC Switching Mode Power Supply – 450 Watts~3,000 Watts

2021 COTEK is Awarded by D&B Top 1000 Elite SME


One-stop shopping

Diverse power product lines that fulfill our business partners, power requirement across multiple sectors (AC/DC, DC/AC)

World-Class R&D Team

Software & Hardware development capability

Safety approvals

Meet the latest safety standards


To provide off-the-shelf and customized design service

Prompt Service

Authorized distributors to ensure local services in the same time zone

Production capacity

Up to 250K units per months

Environment Friendly
COTEK takes the responsibility to minimize the environmental impact by applying green production, complying with RoHS and REACH legislation. We are also approved to meet environmental management standards, ISO 9001:2015 quality.