Guangzhou Guantu Electronic Technology Co., Ltd. is a technology-based enterprise focusing on the R&D, production, sales and service of small and medium power module power supplies and customized power supply products. The main products are general-purpose AC-DC module power supply, customized AC-DC power supply, general-purpose DC-DC constant voltage module power supply, wide-voltage DC-DC module power supply, photovoltaic power supply, industrial electrical product control board, etc. Intellectual Property Featured Products.