(1) The company was recognized as the "Semiconductor Quartz Material Technology Innovation Center of Ningxia Hui Autonomous Region";
(2) The company was considered "Intellectual Property Pilot Unit of Ningxia Hui Autonomous Region in 2022-2023";
(3) A new factory was built in Changshan. It was named "Zhejiang Dunyuanjuxin Semiconductor Technology Co.,Ltd". The registered capital is 100 million yuan.

(1) The company restructured its shares, and "Ferrotec(Ningxia) Quartz Material Co., Ltd." changed its name to "Ningxia Dunyuanjuxin Semiconductor Technology Co., Ltd.".
(2) The founding meeting and the first general meeting of shareholders of Ningxia Dunyuaniuxin Semiconductor Technology Co., Ltd. was held in Liuyingli Hotel, West Lake, Hangzhou.
(3) The company won the "2021 Investment Contribution Award in Yinchuan Economic Development Zone";

(1) The company made an acquisition to Hangzhou Dunyuanjuxin Semiconductor Technology Co.,Ltd;
(2) A 620mm high quality silicon ingot was successfully drawn, which makes the company the first domestic manufacturer capable of producing monocrystalline silicon ingot with a diameter of more than 600mm.
(3) A new factory was set up in Yinchuan

(1) A ceremony was held for the mass production of 12-inch silicon wafer crystal ingots and the launch of 32-inch semiconductor quartz crucibles.
(2) The company has successfully developed φ500mm and φ560mm monocrystalline silicon ingots.

Technological innovation has never stopped. New crucibles AQM-42 and AQM-31 have been produced.

(1) Yinchuan Silicon Material Production Base began to draw semiconductor grade polysilicon ingot and monocrystalline silicon ingot.
(2) The semiconductor quartz crucible production line of the Crucible Division officially started mass production. After the automatic molding process was successfully introduced, the qualified rate got above 90%.

The successful final test of the 14-inch monocrystalline silicon ingot marks the company's official start to draw large size monocrystalline silicon ingots.

(1) The high-purity quartz sand for single crystal quartz crucible project of the company began to be put into production and test run.
(2) Ferrotec(Ningxia) Quartz Material Co., Ltd. made additional investment, and changed the registered capital from the original 50 million yuan to 75 million yuan.

"Ferrotec(Ningxia) Quartz Material Co., Ltd. "(predecessor of Ningxia Dunyuan Core) was officially established in Yinchuan, with a production capacity of 5000 quartz crucibles/month.

The company held the signing ceremony of the base project with Ningxia government in Shanghai, and started the establishment of Yinchuan Company