Shoulder Electronics Co., Ltd. (hereinafter referred to as "Shoulder"), founded in 1999 and headquartered in Wuxi, Jiangsu Province, is a leading domestic enterprise dedicated to the R&D, design, manufacturing, and sales of surface acoustic wave (SAW) RF chips. Driven by innovation, the company has established provincial-level engineering and enterprise technology centers, led multiple key national and provincial research projects, been granted over 60 patents, and twice received the Second Prize of the National Science and Technology Progress Award. 

Adopting an IDM (Integrated Device Manufacturer) model, Shoulder has built full‑chain independent capabilities spanning chip design, wafer fabrication, and packaging and testing. Its main products include filters, duplexers, resonators and others. Shoulder has established core technology platforms of SAW, TC‑SAW (Temperature Compensated SAW), and TF‑SAW (Thin-Film SAW), covering major communication frequency bands from 300MHz to below 6GHz.The company has established advanced chip manufacturing capabilities with 0.15µm resolution, as well as holistic packaging processes including SMD (Surface Mounted Devices), CSP (Chip Scale Package), WLP (Wafer Level Package), and Bare-Die. Shoulder has built a large‑scale delivery system with an annual capacity of 6 billion units. In the past three years, its product shipments have approached 10 billion units, including over 1.5 billion TC‑SAW filters and over 150 million WLP filters-ranking among the top in China.

Leveraging its long‑term technology accumulation and complete SAW filter product portfolio, Shoulder's products have entered the supply chains of major global terminal brands. The company has formed deep collaborations with well‑known domestic and international handest manufacturers, communication equipment vendors, IoT module companies, and automotive electronics manufacturers. Its coverage spans diverse fields including smart phones & wearables, base stations, IoT, automotive electronics, and Non‑Terrestrial Networks. With excellent product performance and stable large‑scale delivery capability, Shoulder has earned extensive trust from customers, committed to become the leader in full‑scenario RF filter solutions, continuously increasing the global market share of our SAW RF filter products.

Looking ahead, Shoulder is focused on becoming the front-runner in full‑scenario RF filter solutions. The company continues to increase R&D investment, accelerating the scaling of TC‑SAW and TF‑SAW, and exploring emerging fields including 6G and satellite internet. Through independent innovation and close collaboration with supply chain partners, Shoulder aims to deliver core chips that power the intelligent, connected world-driving industrial progress and supporting the growth of the manufacturing economy.