A-share quantum technology concept stocks surged in the short term, with Digital China Information hitting the daily limit, and Fujida, DHKJ, China XD, Hexin Instrument, and Topsec following suit

DHKJ establishes a new company including semiconductor device-related businesses

According to the Qichacha APP, recently, Shanghai Xinhengxinrui Technology Co., Ltd. was established with a registered capital of 600 million yuan. Its business scope includes the manufacturing of special equipment for semiconductor devices; manufacturing of electronic special equipment; manufacturing of electronic components; manufacturing of power electronic components, etc. Qichacha's equity penetration shows that the company is wholly owned by DHKJ

DHKJ: Establishing a wholly-owned subsidiary Shanghai Xin Heng Xin Rui Technology with a registered capital of 600 million yuan

DHKJ announced that the company has established a wholly-owned subsidiary, Shanghai Xin Heng Xin Rui Technology Co., Ltd., in Shanghai on October 16, 2025, and completed the business registration procedures on the same day, obtaining the "Business License" issued by the Market Supervision Administration of Putuo District, Shanghai. The registered capital of this wholly-owned subsidiary is RMB 600 million, with She Tao as the legal representative. The business scope includes technical services, technology development, technical consulting, technical exchanges, technology transfer, and technology promotion

DHKJ: Zheng Su-Zhen's 130 million shares were judicially auctioned, and the company will change to having no controlling shareholder and no actual controller

DHKJ announced that 130 million shares held by controlling shareholder Zheng Su-zhen were judicially auctioned, resulting in a change of control of the company. Zheng Su-zhen no longer holds any shares, and Li Rongrong and Zhou Zhengchang together hold 40.46 million shares, becoming the largest shareholder and acting in concert. The company will change to having no controlling shareholder and no actual controller

DHKJ plans to transfer 75% equity of DHXingtu to optimize its asset structure

DHKJ plans to transfer 75% equity of its controlling subsidiary DHXingTu Laser Technology Co., Ltd. to individual Yang Shuai Shuai to optimize its asset structure and divest inefficient assets. The transaction price is 662,700 yuan. After the transaction is completed, the company will no longer hold shares in DHXingTu, and it will no longer be included in the consolidated financial statements. The board of directors has unanimously approved this resolution, and the specific details will be disclosed in the announcement on the same day