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American enterprises filed a 337 investigation application for specific urine splash-proof devices and their components. According to the Ministry of Commerce, on December 5, For Kids By Parents,Inc of the United States filed an application with the United States International Trade Commission in accordance with Section 337 of the United States Tariff Act of 1930. Accused that certain urine splash guards and components there exported to, imported from or sold in the United States infringed its patent right, requested to initiate 337 investigation, and issued general exclusion order, limited exclusion order and prohibition order. Ten enterprises in China were involved in the case.Real estate stocks were active at the beginning of the session with the daily limit of World Bank and Huayuan Real Estate. Real estate stocks were active at the beginning, with the daily limit of World Bank and Huayuan Real Estate. Huaxia Happiness, China Communications Real Estate, Sunshine, Binjiang Group and Vanke A rose more than 5%.Real estate stocks were active at the beginning of the session with the daily limit of World Bank and Huayuan Real Estate. Real estate stocks were active at the beginning, with the daily limit of World Bank and Huayuan Real Estate. Huaxia Happiness, China Communications Real Estate, Sunshine, Binjiang Group and Vanke A rose more than 5%.

Op Optronics: The subsidiary Changguang Aerospace products can be widely used in the aerospace field. Op Optronics (002338) said in response to investors' questions on the interactive platform on December 10 that the company's subsidiary Changguang Aerospace products can be widely used in the aerospace field and can provide customized services according to customers' needs.The case of Yu Huaying's abduction of children will be retried for the second trial on December 19th, and the Higher People's Court of Guizhou Province will reopen the case of Yu Huaying's abduction of children at 9: 30am next Thursday (December 19th). For this verdict, the victim, Yang Niuhua, told the CCTV reporter at the general station that this was her sixth time to face Yu Huaying directly. Appeal was the right of every defendant, but she believed that the death sentence would still be upheld in the second instance. (CCTV News)Guosen Securities' Golden Sun trading software crashed again.

Mao Geping opened 59.90% higher on the first day of listing, and Mao Geping opened 59.90% higher on the first day of listing. According to public information, the subscription for public offering of new shares of Hong Kong stocks in Mao Geping reached HK$ 173.814 billion, oversubscribed by 826.27 times, making it the "king of frozen capital" in the new stock market of Hong Kong stocks this year.The decline of FTSE China A50 index futures quickly expanded to 1%.SDIC Power set up a new energy development company in Hainan. The enterprise search APP shows that SDIC (Hainan) New Energy Development Co., Ltd. was established recently, with Gong Xiaoyong as the legal representative and a registered capital of 30 million yuan. Its business scope includes: technical services for wind power generation; Technical services for solar power generation; Power generation technical services; Energy storage technology services; Research and development of emerging energy technologies. Enterprise investigation shows that the company is wholly owned by SDIC Power.