Product Showcase

DeFa DC High Voltage Module delivers stable 5–9 kV DC output from 5V or 12V input in a compact 51 × 32 × 19 mm design. With 3W power consumption, current limiting, short-circuit protection, and customizable wiring, it supports OEM air purifiers, ionizers, plasma devices, and low-power air treatment equipment.

DeFa Ventilation Control Damper regulates, isolates, and shuts off airflow in HVAC, industrial ventilation, cleanrooms, and transport systems. Available as motorized, pneumatic, manual, or fire/smoke damper configurations, it supports custom sizes, materials, actuators, control signals, and leakage classes for project-specific air control.

DeFa Electrostatic Air Purification Module is a compact ESP module for OEM air purifiers, fresh air systems and HVAC equipment. It captures dust, PM2.5 and airborne microorganisms with low airflow resistance and washable collectors. DC or AC input, airflow, dimensions and interfaces can be customized for specific equipment integration.

Shengyuan Technology DeFa Intelligent Purification Power Supply and Control System Assembly is an integrated platform designed for industrial waste gas treatment equipment. Combining a high-frequency high-voltage generator, Siemens PLC control, multi-level safety protection, IoT remote monitoring, and auxiliary equipment management, it provides stable power supply, intelligent operation, and safer control for electrostatic, plasma, VOC purification, and odor treatment systems.

Defaee is a professional manufacturer of industrial environmental protection equipment with rich experience in exhaust gas treatment and energy recovery. This two-stage heat exchange CO oxidation furnace features 99%+ CO conversion rate, efficient waste heat recovery and low operating cost. It is available for bulk order and custom solutions, ideal for metallurgy, chemical and building materials industries.

Defaee delivers reliable and cost-effective air purification solutions for commercial and residential applications worldwide. This 400m³/h Compact Air Purifier features H13 HEPA filtration, low noise operation and easy maintenance. It is available for bulk purchase and wholesale, ideal for 30-60㎡ spaces including hospitals, offices and homes.