Oceansun continuously is working on customer satisfaction.

Our Pre-sale Service is as follows:

1. Work closely together in the design process
2. Provide the right product to match customer requirements
3. Get customer approval on the final product

Our After-sale Service is as follows:

1. Give feedback within 24 hours, the test report will be delivered to the customer within one week
2. For any necessary changes, Oceansun will deliver improved products within four weeks
3. When required, Oceansun will provide information and training in our battery technology
4. Oceansun will do customer surveys every 6 month's