"Qidong JieJie Microelectronics Co., Ltd." was established to produce and sell triodes and other power components.
A power component chip production line was built to develop, mass-produce, and sell unidirectional and bidirectional thyristor chips.
A power packaging and testing production line was built and technically upgraded to produce and sell JieJie Microelectronics power components.
Semiconductor protective component chips, diode chips, etc. were developed and produced and sold in batches.
Renamed "Jiangsu JieJie Microelectronics Co., Ltd." due to shareholding system reform
A production line for packaging and testing power modules and components was established, and power modules were produced and sold in batches.
A "protective component packaging and testing production line" was built to produce and sell JieJie Microelectronics protective components, diodes, etc.
A wholly owned subsidiary "JieJie Semiconductor Co., Ltd." was established, and a diode packaging production line was built. Semiconductor protective components and diode components were produced and sold in batches.
The "Wide-Bandgap Power Electronics Engineering Technology Research Center" was jointly built with the Institute of Microelectronics of the Chinese Academy of Sciences.
The company was listed on the Second-Board Market of Shenzhen Stock Exchange (stock code: 300623). The MOSFET business unit and MOSFET R&D center were established to develop, produce, and sell MOSFET components and other products.
New factories of the "power component chip production line" and "power component packaging and testing production line" were built in Qidong Development Zone, and the construction projects of "power electronic component production line", "chip components", and "photoelectric hybrid integrated circuit" were launched.
A wholly owned subsidiary "JieJie Microelectronics (Shenzhen) Co., Ltd." was established, and the establishment of a holding subsidiary "JieJie Microelectronics (Shanghai) Technology Co., Ltd." was invested in.
The laboratory won the "accreditation of CNAS (China National Accreditation Service for Conformity Assessment)", invested in the establishment of its holding subsidiary "Jiangsu JieJie Semiconductor New Materials Co., Ltd.", established its wholly owned subsidiary "JieJie Microelectronics (Wuxi) Technology Co., Ltd.", "JieJie Microelectronics (Nantong) Technology Co., Ltd.", and "Jiangsu JieJie Semiconductor Technology Research Institute Co., Ltd."
The "high-end power semiconductor industrialization construction project" was carried out in the Suzhou-Wuxi-Nantong Science and Technology Park in Nantong, and the "power semiconductor (automotive-grade) packaging and testing industrialization project" and "power semiconductor 6-inch wafer and component packaging and testing production line construction project" were prepared.
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