Jiangsu Huistone Electromechanical Technology Co., Ltd., April 19, 2011 Dynamically established, the business scope includes controlling motors and electrical automation equipment Spare parts, non-standard metal structural components, special engineering electric vehicles, petroleum Research and development, design, and application of chemical and geological exploration equipment and instruments Shareholder 2: Manufacturing, processing, sales, self operation and agency of various goods and technologies Import and export business, but the state restricts or prohibits the operation of enterprises Excluding products and technologies in the mouth. (Projects that require approval in accordance with the law can only be operated with the approval of relevant departments of Senior Management 2)