1. CSG A China CSG Group Co., Ltd. was formerly known as China Southern Glass Company. It is composed of Hong Kong China Merchants Shipping Co., Ltd., Shenzhen Building Materials Industry Group Company, China North Industries Shenzhen Company and Guangdong International Trust and Investment Company***

Tong Investment is a Sino-foreign joint venture established in Shenzhen in September 1984.

In October 1991, with the approval of the Shenzhen Municipal People's Government, China Southern Glass Co., Ltd. was reorganized into a joint-stock company. With the approval of the Shenzhen Special Economic Zone Branch of the People's Bank of China, the company was publicly issued to the public in October 1991 and January 1992 respectively.

20.3 million RMB ordinary shares ("A shares") and 16,000 foreign shares ("B shares"), and were listed for trading on the Shenzhen Stock Exchange in February 1992.

2. Deep Technology Company is a large-scale high-tech export-oriented listed company whose main business is the R&D and production of hard disk head products, multi-function meter products, tax control products, etc.

The company integrates R&D, production and sales, and has branches and R&D teams in Hong Kong, Singapore, the United States and other places.

The company was the first in China to pass ISO9001 and other quality system certifications, and introduced and promoted advanced management methods such as 6Sigma and Industrial Engineering (IE) technology.

The company's leading product, hard disk heads, accounts for more than 10% of the global market share, and it is the world's second largest professional manufacturer of magnetic heads.

Electric meter products are spread across Europe, South Asia and Southeast Asia, with a total export of more than 16 million units, setting three "new records for Shenzhen enterprises" and becoming China's largest remote control electric meter and system R&D manufacturer.

The company was one of the first to obtain the qualifications and production license for tax control cash register manufacturers, with an annual production capacity of 700,000 units. It is the largest R&D and production base for tax control products in China.

3. COFCO Real Estate China Cereals, Oils and Food Import and Export (Group) Co., Ltd. (referred to as "COFCO", "COFCO Group", English abbreviation COFCO) was established in 1952. It is China's largest cereal, oil and food import and export company and a powerful food production company.

It has also made outstanding achievements in the fields of real estate, hotel management and financial services. It is listed as one of the world's top 500 companies by Fortune magazine.

It is a large-scale enterprise group integrating trade, industry, finance, information, services and scientific research, spanning many fields such as agricultural products, food, hotels and real estate.

Since 1994, it has been ranked among the top 500 global companies in the US Fortune magazine, and its current chairman is Ning Gaoning.

4. Shenzhen Huaqiang Shenzhen Huaqiang Group Co., Ltd. is a large-scale investment holding enterprise group dominated by high-tech industries.

The company was founded in 1979, adhering to the enterprise spirit of "integrity, innovation, harmony, and win-win". After more than 20 years of development, it has formed a high-tech electronic manufacturing industry, cultural technology industry, electronic professional market, and sugar production.

The diversified industrial structure led by the papermaking industry has also realized the transformation from production and operation to asset management.

5. Neptune Biotechnology Neptune Biotechnology was formerly known as Shenzhen Shekou Neptune Bioengineering Co., Ltd., which was established on December 13, 1992 with the approval of Shenzhen Nanshan District People's Government with Shennan Fufu (1992) No. 118.

On July 25, 1996, the Shenzhen Municipal Securities Regulatory Office approved the reorganization of the public joint-stock company with Shenzhen Securities Banfu (1996) No. 68 document.

On April 16, 1997, the name of the joint-stock company to be established was Shenzhen Neptune Bioengineering Co., Ltd., with a share capital of 57.3 million yuan, approved by the Shenzhen Municipal Administration for Industry and Commerce.