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ThankyouforchoosingDoahoTest Equipment(Shanghai) Co., Ltd. （DHT®）To ensure your peaceofmindthroughoutthe operation of our equipment, wehave established a comprehensive after-sales technical support system. Our goal is to provide every customer with efficient, professional, and considerate service at every stage.
If you encounter any issues during use, please don’thesitate to contact our after-sales support team:
📞400-885-2005(24/7Toll-Free Hotline)
1.ComprehensiveTechnicalServie Commitment
We are committed to delivering professional and efficient technical support to ensure the stable and continuous operation of your equipment, fully meeting your operational needs.
Complete Supply of Accessories and Tools
We provide all necessary accessories, spare parts, and specialized tools required to ensure the normal operation of your equipment, minimizing downtime and ensuring uninterrupted performance.
Technical Documentation and Interface Support
During equipment design and selection, we actively provide relevant technical documentation and, when needed, invite your technical personnel to participate in technical design reviews and discussions, ensuring our solutions align with your specific requirements.
2. Comprehensive After-Sales Service Guarantee
Our after-sales service system is built around the principles of rapid response, professional resolution, and ongoing customer care, ensuring a worry-free experience from start to finish.
24/7 Customer Support Hotline
We provide a nationwide toll-free support line available 24/7, offering immediate assistance for any technical or service-related inquiries.
Warranty Policy
All equipment is covered by a one-year warranty with free repair services during the warranty period.
After the warranty expires, we continue to offer lifetime technical support, charging only for replacement parts at cost price—labor remains free of charge.
Rapid Response Mechanism
We guarantee an initial response within 2 hours upon receiving a service request.
If the issue cannot be resolved remotely, our service engineers will be dispatched and arrive on-site within 48 hours (excluding legal holidays) to ensure prompt problem resolution.
Service Quality Supervision
Our customer service department conducts regular follow-up visits to gather feedback on equipment performance and service satisfaction.
We actively listen to your suggestions to continuously improve our service processes and protect your rights and interests.
Ongoing Customer Value Enhancement
At DHT®, we are not just an equipment provider — we aim to be your long-term, trusted technical partner.
We continuously enhance customer value through training programs, remote support, scheduled maintenance, and technical upgrades, ensuring your projects run smoothly and successfully.
If you have any questions regarding installation, operation, maintenance, or other technical matters, please feel free to reach out. We are always here to assist you with dedication and expertise.
Doaho Test Equipment (Shanghai) Co., Ltd.
Building 23, No. 3398 Puwei Road
Fengxian District, Shanghai, China
