Huazheng Electric is committed to supporting our customers long after delivery. We believe that reliable after-sales service is as important as product quality itself.
Pre-Sales Support
Product selection guidance based on your application, voltage level, and testing standards
Technical proposal support for complete testing solutions and test bench configurations
Sample testing arrangements and demonstration upon request
Installation and Training
Detailed English operation manuals and quick-start guides with every instrument
Remote video guidance for installation, calibration, and first-time operation
On-site training available for large projects and integrated test systems
Warranty and Maintenance
Standard warranty period on all new instruments (specific terms confirmed per order)
Spare parts supply for all current production models
Repair and recalibration services through our technical service team
Technical Response
Dedicated sales and engineering contacts for international customers
Fast inquiry response-we prioritize timely communication to support urgent project schedules
Troubleshooting support via email, phone, WhatsApp, and video call
Customization and OEM/ODM
Custom specifications including voltage range, output current, language interface, and branding
OEM/ODM partnerships for distributors and large-volume buyers
Factory tour and 360° virtual tour available for buyer verification
Continuous Improvement Customer feedback directly informs our product development roadmap. We value long-term partnerships built on trust, transparent communication, and consistent product performance.