On 1 December 2020, China Sonavox Group ("Sonavox"), who had applied for initial public offering of A-shares and listing, approved by the issuance review committee of China Securities Regulatory Commission. On 3 December 2020, Xiamen East Asia Machinery Industry Co., Ltd. ("East Asia Machinery"), who had applied for initial public offering of A-shares and listing, approved by the issuance review committee of China Securities Regulatory Commission. As an attorney for the issuers, Llinks provided legal services for Sonavox and East Asia Machinery.

Sonavox is committed to using acoustic technology to improve the driving experience. It is a domestic technology-leading supplier of automotive acou stic product solutions. It has the R&D and design capabilities of acoustic products, system solutions and related algorithms. The products mainly cover car speaker systems, car amplifiers and AVAS, which are ble to provide customers with comprehensive product solutions. Sonavox had realized the localization of car speakers much earlier. Through continuous independent innovation, it has strong competitiveness in the international market and has established stable cooperative relations with many well-known domestic and foreign automobile manufacturers and electro-acoustic brands.

With over 30-year history, East Asia Machinery is one of the leading manufacturers for positive displacement air compressor in China, possessing the core technology of screw air compressor. With its professional team, advanced inspection equipment, scientific management system, and powerful R&D capacity, East Asia Machinery has provided excellent complete air compressor solutions to customers from more than 40 countries across the globe.