Electronics Manufacturing Manufacturers in Shanghai

Unimos Microelectronics (Shanghai) Co., Ltd.

Shanghai, Shanghai · Electronics Manufacturing

Founded in 2002 and based in the Qingpu Industrial Park of Shanghai, Hongmao Microelectronics specializes in semiconductor assembly and test services for memory chips, covering 3D NAND (Raw NAND, eMMC, UFS, eMCP), 2D NAND, NOR, DRAM and SRAM. Formerly known as Ziguang Hongmao, the company belongs to the Yangtze Memory (YMTC) system and its 2025 annual filing lists 1,349 social-insurance employees. In December 2025 it was named a Shanghai municipal manufacturing single champion for 3D NAND Flash memory packaging and testing.

1000+ · Since 2002 View Factory