Company Profile
Company Mission
China Factory
Malaysia Factory


  Welcome Oncho Denki Ltd. was established in 1988 as a HVAC equipment supplier in Hong Kong. We are a marketing-oriented organization dedicated to provide the finest customer service to be found anywhere in the HVAC industry. We believe specialization is the key to our success. In order to cope with the rapid growth of the industry, Welcome Air-Tech Ltd. was established in 1996 to provide professional sales and support services to various contractors, consultants and end users.