HUHUTECH International Group Inc. is a holding company that conducts operations through its subsidiaries to provide factory facility management and monitoring systems. The company specializes in high purity process systems and factory management and control solutions for industrial customers, mainly semiconductor and electronics manufacturers in China. Its offerings include high purity gas and chemical delivery systems as well as integrated facility monitoring platforms. Through its operating units in China Japan Singapore Germany and the United States it designs installs and supports systems that meet the stringent purity requirements of advanced manufacturing processes.

The company generates revenue by designing selling and installing high purity gas conveyor systems, high purity chemical conveyor systems, and factory management and control systems. It also earns income from related services such as installation, testing, commissioning, calibration, maintenance, and technical support. Revenue is derived primarily from semiconductor manufacturers but also from LED microelectronics, pharmaceutical and food and beverage customers. In recent years a significant portion of sales has come from high purity gas conveyor systems which the filing notes generate most of the company’s revenue.

The company operates through the following segments: High purity Process System and Factory Management and Control System.

• High purity Process System: This segment supplies high purity gas conveyor systems that consist of specialized gas cabinets, valve manifold boxes, gas monitoring software, and associated piping and fittings to deliver uncontaminated gases to semiconductor production tools. It also provides high purity chemical conveyor systems that move chemicals from storage to process equipment using corrosion resistant pipes, valves, sensors, and chemical monitoring software to ensure proper dosing and avoid contamination. The segment offers installation, testing, calibration, maintenance, and technical support for both gas and chemical delivery systems to help customers maintain continuous operation and meet process standards.

• Factory Management and Control System: This segment offers an integrated factory monitoring platform that consolidates data from gas monitoring, chemical monitoring, power distribution, water supply, HVAC, wastewater treatment, and other subsystems to enable real time oversight and efficient management of factory operations. It also provides individual subsystems such as gas monitoring systems, chemical monitoring systems, and power distribution modules that can be deployed separately based on customer needs. The segment includes engineering design, software development, system integration, and after sales service to ensure the monitoring solution functions reliably throughout the factory lifecycle.

The high purity systems market is fragmented with many small to medium sized competitors and a few large players dominating the top tier. HUHUTECH International Group Inc. differentiates itself through proprietary software copyrights, a substantial patent portfolio, and an experienced management team with deep semiconductor industry knowledge. Its modular software solutions reduce update errors and allow customers to add applications without disrupting operations. The company has earned ISO 9001, ISO 14001, and ISO 45001 certifications which demonstrate its commitment to quality environmental safety and occupational health standards. These strengths give the company a competitive edge in serving domestic semiconductor fabrication and related high technology manufacturers.

The company serves a diverse customer base that includes semiconductor manufacturers, LED and microelectronics producers, as well as pharmaceutical, food and beverage firms. Specific customers named in the filing are Li Yi System Engineering Shanghai Limited, Hefei Lanke Investment Co Ltd, Shiyuan Technology Engineering Co Ltd, and AUO Corporation. Additional clients referenced are Suzhou Ruize System Engineering Co Ltd, Hesheng Enterprise Co Ltd, China Electronic System Engineering Fourth Construction Co Ltd, and Li Yi System Engineering Shanghai Co Ltd. Revenue concentration shows that one customer accounted for 26.2% of total revenue in 2025 while three customers together contributed 28.7%, 14.9% and 10.7% of revenue in 2024.