——Yunnan Yunnei Power Machinery Manufacturing Co., Ltd. (hereinafter referred as "Yunnei Machinery") was established in January 2007. It is a wholly state-owned company, located in the central Yunnan New Area, covering 182 mu. The company has always adhered to the enterprise spirit of "Do it, be the ultimate", inherited the advanced concept of Yunnei Power (A-share code: 000903) listed companies and Yunnei Power Group (total assets 20.319 billion), and with more than 60 years of international leading technical support of Yunnei Power Group. With many experts in the field of foundry, we independently develop as-cast ductile iron casting 900-4, and produce crankshaft, body bearing cover, gear plate and other ductile iron castings, which are at the leading level in China. The company has dozens of patents and has passed IATF16949 quality management system certification, occupational health and safety management system certification and environmental management system certification. After years of business accumulation, as well as product transformation and upgrading, the company currently mainly deals in product positioning castings, diesel generators and power as well as engine oil, agricultural machinery three major plates, sound business system, various products are mutually supportive and coordinated development.