1. Pre-sales Service
We can provide customers with suitable, reasonable, systematic and complete power distribution solutions for free.

2. After-sales Service
a. On-line installation guidance and commissioning as well as troubleshooting are offered free of charge..
b. If a single order values more than one million dollars, we will send our professional engineers to carry out on-site installation and commissioning for free.

3. Warranty
Tellhow provides 12-month warranty for the electrical component we sell. If the electrical component has something wrong within the warranty period, we will provide free replacement and maintenance.

4. 24 Hours Technical Support
a. We promise to respond to customer complaints within three hours.
b. 24-hour service and complaints hotline: +86-13631533273

5. Technical Data
We offer free installation manual, maintenance manual available in paper and e-files as well as samples.

6. Technical Training
In order to better serve our customers,Tellhow invite customers to our factory for free on-site training provided by professional engineers. We provide free accommodation as well.

7. Spare Parts Supply
We offer free wearing parts and other necessary parts of vacuum circuit breakers and switchgears, facilitatingtimely maintenance.