1, Xinjiang Zhonghe (600888): leading companies. In terms of total operating income, from 20 17 to 2020, it will be 6.006 billion yuan, 4.8765438 billion yuan, 4.748 billion yuan and 57. 17 billion yuan respectively. The preparation method of graphene aluminum-based composite material of subsidiary Xinjiang Olefin Oil Ink Technology Co., Ltd. has been patented.
2. Growth Enterprise Market (002340): the leading company. From 20 17 to 2020, its total operating income was 65.438+0.075 billion yuan, 65.438+0.388 billion yuan, 65.438+0.435 billion yuan and 65.438+0.247 billion yuan respectively. From 2065438 to September 2005, the company and Shenzhen Amway Hao Company established the Intrinsic Equation Graphene Company. And Shenzhen Amway Hao invested 20 million yuan respectively, accounting for 20% of the equity of the joint venture company, and invested 60 million yuan with their patented technology in the graphene field, accounting for 60% of the equity of the company.
Graphene listed stocks:
1, Huakong Seg (000068): The business scope includes graphitization processing, processing with supplied materials, research and development, processing, production and sales of anode materials for lithium-ion batteries, carbon materials, graphite products and graphene materials.
2. Xu Dong Optoelectronics (0004 13):20 16 On July 9, the company announced that Shanghai Carbon Source Huigu New Materials Technology Co., Ltd., a subsidiary of the company, signed the Investment Agreement for Stone-based Lithium Battery Project with the Management Committee of Taizhou New Energy Industrial Park, and reached an intention to invest in the graphene-based lithium battery project of Taizhou New Energy Industrial Park.
3. Xinjin Road (0005 10): It belongs to the middle and lower reaches of the industrial chain. In the middle reaches, the battery-grade graphene technology was jointly developed with the Institute of Metals, Chinese Academy of Sciences. "Large-scale preparation technology of graphene materials" was completed in October11year1month. It holds 2.5% equity of Deyang Alkene Carbon Technology Co., Ltd./KLOC-0, and the target is mainly engaged in graphene research and sales.
4. Huajin Capital (000532): It belongs to the downstream of the industrial chain. In the downstream application, Changzhou 2D Carbon, which indirectly shares, is mainly engaged in the research and development and production of graphene transparent conductive film materials.