Who is the chairman of Binzhou Yangxin Keyu?

Ding Haifeng. Official website of Binzhou Yangxin Keyu Energy Co., Ltd. shows that the chairman of Binzhou Yangxin Keyu is Ding Haifeng. Scope: Licensed items: production of dangerous chemicals; Thermal energy production and supply; Wire and cable manufacturing industry. (Projects subject to approval according to law can only be operated after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses of relevant departments. General project: petroleum product manufacturing (excluding dangerous chemicals); Coking; Sales of petroleum products (excluding dangerous chemicals); Sales of special chemical products (excluding dangerous chemicals); Sales of graphite and carbon products; Manufacture of graphite and carbon products; Manufacturing of building waterproofing membrane products; Sales of building waterproofing membrane products; Instrument manufacturing; Instrument sales; Retail of hardware products; Research and development of key technologies for waste heat power generation; R&D waste heat, residual pressure and gas utilization technology; Import and export of goods; Import and export agent. (except for projects that need to be approved according to law, independently carry out business activities according to law with the business license).