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The Following Section Provides Answers to Frequently Asked Questions (FAQs) Related to Various Situations

How do I know which DMHC products are compatible with our vehicle models?

Our engineers offer tailored recommendations based on your requirements and vehicle usage scenarios.
Is there a fee for pre-sales consultation?

DMHC provides complimentary pre-sales consultation services.
Can DMHC products support customized development?

Yes, we accommodate customized needs. Our engineers collaborate with you to finalize plans based on your vehicle model and product specifications.
Can I independently purchase certain accessories?

Core components such as motors, controllers, batteries, and sensors are not available for independent purchase due to system stability and quality control. However, for accessories like instruments and buttons, you may purchase them independently, with DMHC engineers ensuring seamless integration with the DMHC system.
Our previous supplier system involved multiple personnel and led to delayed project progress and post-sales issues. How does DMHC address this?

DMHC has mastered the design, production, and quality control of core components. Reach out to DMHC engineers for swift responses and uniform quality control on crucial matters. Project advancement aligns seamlessly with both DMHC's and your specified plans. If third-party accessories are involved, DMHC can coordinate with suppliers to ensure seamless project cooperation.
How does DMHC ensure product quality before leaving the factory?

Our products hold UL2849 and EN15194 certifications, and our factory is ISO9001 certified with a comprehensive quality control system. Prior to shipment, we conduct rigorous testing of both hardware and software functions to guarantee the highest product quality.
If there are hardware or software problems after receiving the product, how do you solve them?

Utilize DMHC's diagnostic system, connecting to the vehicle via Bluetooth. This allows for swift capture of system information, real-time issue identification, and prompt problem resolution through fault codes.
How can dealers quickly identify vehicle problems to minimize repair costs?

Dealers can employ DMHC's diagnostic system, connecting via Bluetooth to swiftly capture system information, pinpoint real-time issues, and efficiently resolve vehicle problems using fault codes.
Does DMHC provide after-sales support for end users?

VNU operates an after-sales support center in LA. During the warranty period, users of DMHC system products receive free after-sales support. After the warranty period or for users of other brands, after-sales support is subject to charges based on the service requirements.

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