No.707399 is the code of Chen Guangxin's subscription, and the stock code of Chen Guangxin's listing is 605399. According to the code, it can be judged that it is not a science and technology innovation board, and the stock of science and technology innovation board begins with 688. Science and Technology Innovation Board is a science and technology innovation board established in Shanghai Stock Exchange, which mainly serves science and technology innovation enterprises, such as chip design, semiconductor manufacturing, new materials, high-end equipment, cloud computing, big data, biopharmaceuticals and other enterprises.

The full name of Chen Guang New Materials is Jiangxi Chen Guang New Materials Co., Ltd., which is mainly engaged in the research, development, production and sales of basic raw materials, intermediates and finished products of organosilane coupling agents. Its headquarters is located in Nanjing, Jiangsu Province, and its production bases are located in Hukou High-tech Industrial Park, Jiujiang City, Jiangxi Province and Danyang City, Jiangsu Province.

Jiangxi Chen Guang New Material Co., Ltd. was established on September 29th, 2006 and registered in Jinshawan Industrial Park, Hukou County, Jiujiang City, Jiangxi Province. Its shareholders include Jiangsu Jianfeng Investment Co., Ltd., Hong Kong Nobel High-tech Materials Co., Ltd., Danyang Haojing Borui Chemical Trading Co., Ltd. and Hukou Chenyang Investment Management Partnership (Limited Partnership).

When investing in science and technology innovation board stocks, you need to open relevant permissions. The assets in the securities account and capital account shall be no less than RMB 500,000 per day 20 trading days before the opening (excluding the funds and securities that investors have integrated through margin financing and securities lending), and investors who have participated in securities trading for more than 24 months can open the account.