
Shenzhen Huilong Industrial Development Co., Ltd. develops and manufactures multimedia and home theatre speaker systems, backed by in-house wooden enclosure production and robust quality control.
Shenzhen Huilong Industrial Development Co., Ltd. is a Shenzhen-based manufacturer focused on the R&D, production, and marketing of multimedia speaker systems, USB/SD card reader digital speaker systems, and home theatre speaker systems. Its product range also includes mini speakers, wireless speakers, and Bluetooth speakers for consumer audio applications.
The factory is organized with dedicated acoustics, wooden box, and speaker departments, enabling in-house manufacturing of wooden enclosures and tighter control over build quality. Supported by advanced facilities and equipment, the company conducts inspection and testing to strengthen QA control across production.
Operations are managed in line with ISO 9001:2000 practices, and the company places strong emphasis on staff development and engineering capability. With 12 production lines, the Welllon brand has built broad domestic coverage and serves international markets including America, Europe, Asia, and Southeast Asia, with cooperation experience with brands such as AKAI, FUSE, SAST, and PANDA.

Envoyez une demande pour en savoir plus sur leurs capacités et obtenir des devis personnalisés.
The factory uses advanced facilities and equipment to inspect, test, and control quality throughout production, with management and production processes carried out in line with ISO 9001:2000 practices.
The Research and Design Department grew from 2 engineers at the beginning to more than 12 engineers, with team members bringing over ten years of experience in the field.
Products have been sold across about thirty provinces and more than fifty six cities in China Mainland, supporting wide market reach and customer recognition.