Here are the key trading alerts and corporate updates for the Shanghai and Shenzhen markets on September 17, 2026. Notable trading halts include Ostwald Technology (688516), while stocks resuming trading are Jingwei Co (301390) and Shanghai Yahong (603159).
Company Highlights:
Beijing Lier (002392) announced on September 16 that it is adjusting its 2026 private placement plan, reducing the maximum fundraising amount to no more than 775 million yuan. Rui Feng Polymer (300243) plans to acquire a 68.065% stake in Anhui Mituo New Material Technology via a combination of share transfer and cash capital increase, for a total of 499 million yuan. The target company specializes in electronic-grade epoxy resins and photosensitive materials. Goworld (000823) issued a stock trading abnormality announcement, clarifying that reports of its high-frequency boards passing NVIDIA certification are untrue; it currently supplies no products to NVIDIA, and its 800G and 1.6T optical module PCBs are still in the development stage. Hubei ST (300527) announced that its board has agreed to apply to the Shenzhen Stock Exchange to revoke the "other risk warning" designation on its stock. Zhongjin Lingnan (000060) stated that its Fankou Lead-Zinc Mine will resume production on September 17 after completing rectifications. Beizi Technology (603082) announced that its electronic fabric looms are still in production verification and have not generated sales orders. Sanbo Brain Hospital (301293) saw its controlling shareholders and actual controllers agree to donate approximately 100 million yuan worth of company shares to the Capital Medical University Education Foundation in three batches. Yongzhen Co (603381) plans to invest 597 million yuan in a project for producing 60,000 tons of finished battery aluminum foil annually.
Yishitong (300310) announced its subsidiary will invest about 430 million yuan in the first phase of a 200MW/400MWh independent shared energy storage station project in Gongcheng. Huadian Liaoning Energy (600396) plans to invest 170 million yuan to increase capital in its subsidiary, Duolun Company, for a 200MW/800MWh lithium iron phosphate grid-forming energy storage project. Dell Future (002631) said its graphene business has no orders for industrial applications, with sales mainly limited to civilian products. Xingyuan Zhuomei (301398) intends to invest up to 280 million yuan in a lightweight precision structural parts intelligent manufacturing project. Zhiguang Electric revealed that it currently holds an indirect 5.46% stake in CanSemi Technology before its IPO. Kangpeng Technology (688602) plans to sell its 16.16% stake in Anhui Mituo to Rui Feng Polymer for 113 million yuan.
Beitou Technology (600936) stated on its interactive platform that it has not yet formed an independent AI business segment, although it will continue to increase R&D investment in AI. Shanghai Yahong (603159) announced that its controlling shareholder and other parties will transfer a 29.99% stake to Feike Investment (Lige Teng becomes the new actual controller) and the stock will resume trading on September 17. Feikai Materials said its Anqing Xingkai smart factory line is in trial production. Rapoo Technology (002577) announced its controlling shareholder will transfer 5% of its shares to Gaoyi Kaihua for 228 million yuan. Lingway Technology (301373) clarified that there are uncertainties about whether its Jiangsu Huimai products can be used in M9-grade copper clad laminates. Henggong Precision (301261) plans to issue convertible bonds to raise up to 810 million yuan for projects including embodied intelligent robot manufacturing.
Jingwei Co (301390) announced its controlling shareholder will change to Chinasoft International (Xi'an) Intelligent Technology Co., Ltd., and its shares will resume trading on September 17. Dian Investment Energy (002128) plans to invest in a 100,000 kW wind power project. Huaci Co (001216) attributed its recent share price surge to market speculation on its zirconia business, which contributed minimal revenue. Yinglian Co (002846) clarified that its composite current collector business has not yet achieved large-scale production or sales.
Share Changes:
Sany Heavy Industry (600031) repurchased 16.62 million shares on September 16 for about 299 million yuan. Yueling Co (002725) announced that a shareholder plans to reduce their stake by up to 3%. HYC Technology (688001) preliminarily set its inquiry transfer price at 54.44 yuan per share. Deye Co (605117) plans to repurchase shares worth between 100 million and 200 million yuan. Amoy Diagnostics (300685) announced plans by several directors and executives to increase their shareholdings. Kaier New Materials (300234)'s controlling shareholder will transfer 10.3% of the company to Luzhou Jinkai. Yanpai Co (301081) said one of its actual controllers plans to sell up to 3 million shares. Fucheng Precision (688409) announced that two shareholders plan to collectively reduce their holdings by up to 2%. Jin Xiandai (300830)'s controlling shareholder and its concert parties plan to cut their holdings by up to 2.98%. Yalian Machinery (001395) announced its employee strategic placement plan will reduce its holding by up to 1.78%.
Major Contracts:
Kanghui Co (603139) announced that its subsidiary signed a computing power service contract worth approximately 1.72 billion yuan. Saiyi Information (300687) announced it is increasing its total computing power service contract amount with Company W to 6.72 billion yuan. Liyuan Technology (688565) signed a supply contract valued at 68.156 million yuan. Zhengye Technology (300410) signed X-ray equipment procurement and installation contracts totaling 74 million yuan. Gangdi Technology (301633) signed sales contracts totaling about 100 million yuan. Xinhua Winshare (601811) signed a textbook procurement contract worth 1.311 billion yuan. Wisedu Co (002090) recently won projects totaling 162 million yuan. Shanke Intelligence (300897) was announced as the winning bidder for a project worth 23.1484 million yuan.