As a long-time contractor for Chunghwa Telecom’s air-conditioning facilities, power generators and air-conditioning engineering services, CHEM is committed to integrity and providing comprehensive services and has always been recognized as one of Chunghwa Telecom’s trusted suppliers.

In order to fulfill its corporate vision of sustainable development and to achieve the net-zero emission goal, Chunghwa Telecom has engaged SGS, a third-party independent institution, to conduct its 2025 supplier/ESG audits. CHEM has received a Gold Certificate for its high assessment rating and its long-standing, widely recognized efforts in ESG and sustainability practices.