Effsun service promise
Pre-sale service
1,We offer free new energe technology,products Consultation.
2,We can offer high reliability solution with local conditions.
3,Under the premise of insurance of reliability,we insist the idea that saving enery penny for you!.

Selling
1,Abide by the contract,active service through whole process.
2,Quality first,delivery on time.
3,Offer free using,maintain and installation advisory.

After-sale services
1,Built up full and traceable file of quality of products.
2,Pay a return visit at regular intervals.
3,Respond the fault condition reported within 2hours,then make the solution within 24 hours.