AOTE was established in 2018 with its headquarters and R&D laboratory in Taichung, Taiwan Province, China. The establishment of its subsidiary, Guangdong AOTE Semiconductor Co., Ltd. marks the expansion of AOTE in the domestic market. Shenzhen, as the core area of China's semiconductor industry, has convenient transportation and good industrial ecological environment, which provides a strong guarantee for the development of the company. The branch is mainly responsible for selling products to meet the needs of different regional markets. Setting up a branch office is not only conducive to cooperation with domestic customers, but also to better understand and meet the needs of the Chinese market. The company has passed ISO9001,ISO14001 quality management system certification, the company's high investment in product research and development and design, the existing products can PIN to PIN standard and compatible with Europe, Japan, Taiwan multi-series optocouplers, products are in line with the EU RoHS, REACH, SGS environmental protection directive standards, and passed the Chinese quality CQC. German VDE, American UL safety certification and many other international certifications.