Wuhan Guangju Microelectronics

About Wuhan Guangju Microelectronics

Wuhan Guangju Microelectronics Co., Ltd., also known as GrandeurRF, is a technology enterprise established on July 27, 2021, specializing in the radio frequency (RF) components sector. The company integrates the design, research and development, production, and marketing of its products, operating on an IDM (Integrated Device Manufacturer) model that encompasses the entire process from design to production and packaging. Its business is situated in Wuhan, a city that has fostered a significant integrated circuit (IC) industry with over 100 companies.

The company was founded by Mr. Meng Fanbo, who serves as the legal representative and holds a significant stake in the company. His background includes involvement in the establishment, listing, and growth of Wuhan Fingu Electronic Technology Co., Ltd., where he was responsible for expanding overseas markets, promoting new products, and managing operations. This experience in the communications industry informs GrandeurRF's focus on localizing the industry and developing electronic products with independent intellectual property rights. Since its inception, GrandeurRF has secured multiple rounds of funding, including an A round in September 2022, an A+ round led by Xiaomi Group in July 2023, a 200 million RMB B round in January 2024, and a 189 million RMB B+ round in March 2025 with participation from Wuhan Fingu and Hubei Railway Development Fund.

GrandeurRF's core business revolves around manufacturing and distributing RF components for clients like semiconductor designers and manufacturers. A key area of focus is the production of Bulk Acoustic Wave (BAW) filters, a critical component for mobile communications, particularly with the advent of 5G technology. The company has established what it claims is the first 8-inch BAW production line in China, developing its own patented technology for BAW filters that differs from established international competitors. Its products, which include filters and duplexers, are designed to offer high performance and reliability. The duplexers utilize the company's FBAR (Film Bulk Acoustic Resonator) technology to enable simultaneous transmission and reception of signals with high isolation. The company reports that its products have been integrated into the supply chains of major ODM manufacturers like Wingtech and Longcheer, and are used in Samsung mobile phones and tablets.