Customer’s satisfaction is always the biggest concern of Nancal Energy-saving Technology Co., Ltd. It has been our constant belief to provide you rapid, efficient and satisfying services. In order to respond your service needs in the fastest speed, the professional technical team spreading each city all over China will provide the services of 7×24 hours in time.
Opinions and Suggestions Processing Flow:
Customer’s opinions and suggestions、Feedback for non-quality issues、Feedback for quality issues.