Service Network

Thanks to our widespread network of global offices, we are able to provide assistance and expertise 24 hours a day, 7 days a week. VSUN relies on a massive global marketing and service network, our technicians ensure a punctual and efficient after-sales service, that starts from installation and testing of the products and continues over time with the scheduled maintenance activities planned on photovoltaic characteristics and customers specific needs.

Management Team

Management Team


CEO: Lewis Cai 

Mr. Cai has over 12 years of commercial experience in the renewable energy sector of the Vietnamese energy industry and he joined the VSUN Group when the company was founded in 2015. Mr. Cai currently holds the position of CEO with overall responsibility for the operations of the global offices. In addition to his primary responsibilities, Mr. Cai is also actively involved in evaluating new business opportunities being considered by the company. His responsibilities include economic evaluation and commercial due diligence.

Vice General Director: Jason Liu 

Mr. Liu has a bachelor degree in electrical engineering and he is in the solar industry since 2009. He is in charge of developing the business in Vietnam and internationally, and whole manufacturing operation, building a new plant in Vietnam and reviewing the process of Operation, Purchasing Manufacturing, Engineering, Technical Packaging, and Quality Assurance.