After more than ten years of development, the shareholders have established three companies during this period, namely Fuzhou Tuowei Mechanical & Electrical Equipment Co., Ltd, Fujian Aivyter Compressor Co.,Ltd., and Fujian Aivyter Intelligent Equipment Co., Ltd. The annual output value is 300 million yuan. There are nearly 200 employees. Among them, there are 20 technical R&D personnel and 70 technicians in after-sales service team. 7 sales personnel in international business department.