1, Orchid Science and Technology Innovation (600 123):
Orchid technology said that the 1000-ton monocrystalline silicon project built by Chongqing Orchid Solar Power Generation Co., Ltd. will be built in two phases, with a phase of 500 tons. The main product of orchid solar energy is monocrystalline silicon wafer. At present, the project is still in the construction stage, and the installation of equipment in the workshop of monocrystalline silicon rods has been completed 60%. A small number of monocrystalline silicon rods have been put into trial production and have not yet entered mass production. Monocrystalline silicon rods belong to the intermediate products of monocrystalline silicon wafers. The equipment in the monocrystalline silicon wafer production workshop has not been installed.
2. Dagang shares (002077):
The company has completed the acquisition of the remaining 25% equity of its subsidiary Dacheng Silicon Industry Technology Co., Ltd., which is mainly engaged in the production and sales of silicon wafers and silicon rods for crystalline silicon solar cells. On July 1 day, 2008, Dacheng Silicon Technology, Jiangsu Huilun and our company signed the Purchase and Sale Contract for Solar Monocrystalline Silicon Wafers in Zhenjiang City, Jiangsu Province. Dacheng Silicon Industry Technology provides Jiangsu Huilun with 125mm× 125mm solar monocrystalline silicon wafers that meet the agreed technical specifications. The contract amount is 453.33 million yuan and the delivery time is from the third quarter of 2008 to the fourth quarter of 2009.
3. Central Shares (002 129):
The company is engaged in the research and development, production and sales of semiconductor discrete devices and monocrystalline silicon materials. The main products are high voltage silicon reactors, silicon bridge rectifiers, fast recovery rectifier diodes, monocrystalline silicon and silicon grinding plates. Discrete device products are mainly used in TV sets, monitors, microwave ovens and other electrical appliances. Monocrystalline silicon materials are mainly used in semiconductor integrated circuits, semiconductor discrete devices, solar cells and so on. The company and Aerospace Electromechanical jointly established Inner Mongolia Zhonghuan Photovoltaic Co., Ltd. to jointly build the Inner Mongolia Photovoltaic Industry Base Project. The project is constructed in four phases, with the goal of building a production base with an annual output of 800- 1000MW solar monocrystalline silicon ingots and silicon wafers.
4. Tuo Ri Xinneng (0022 18):
Only Siemens, Sharp and RWE in Germany can produce three kinds of solar cells at the same time. The company is the only one in China, and more than 70% of the production equipment used by the company is self-made. Break the dual monopoly pattern of "foreign equipment monopoly and foreign technology contracting" in the domestic solar cell industry.
5. Haitong Group (600537):
The company will put the equity of Yijing Optoelectronics 100% through asset replacement and issuing shares to purchase assets, and enter the photovoltaic industry, and Yijing Optoelectronics will also be successfully listed on the backdoor. It is understood that Yijing Optoelectronics has formed a relatively complete photovoltaic industry chain and has become one of the only three solar cell module manufacturers in China with a vertical integration industry chain, with a production capacity of more than 200MW. After the reorganization, the main business of Haitong Group will be changed from processing and selling fruits and vegetables to producing and selling monocrystalline silicon rods, monocrystalline silicon (polycrystalline silicon) wafers, solar cells and solar cell modules.
6. There is Silicon Research Unit (600206):
The company is in the middle of polysilicon industry chain. The major shareholder is Beijing Nonferrous Metals Research Institute, which is mainly engaged in the research and development and production of monocrystalline silicon, germanium and compound semiconductor materials. Its leading product, monocrystalline silicon, is an important raw material for solar cells. The company made full use of large-diameter single crystal recycled materials and successfully used it to produce monocrystalline silicon for solar cells.
Data expansion:
What is monocrystalline silicon?
Silicon single crystal. A crystal with a basically complete lattice structure. Different directions have different properties, so they are good semiconductor materials. The purity requirement is 99.9999%, even above 99.9999%. Used for manufacturing semiconductor devices, solar cells, etc. It is extracted from high-purity polysilicon in a single crystal furnace. Uses: It is the raw material for manufacturing semiconductor silicon devices, used for manufacturing high-power rectifiers, high-power transistors, diodes, switching devices, etc.