YOSUN is committed to creating high-quality projects for every customer. "Satisfying, surprising and touching customers" is our consistent goal. We have hundreds of skilled and experienced construction personnel, who are scattered on projects all over the country, and can quickly respond to customer service needs and reduce losses caused by engineering failures.

1. The completion of the acceptance is not considered to be the final completion, we will give the client the layout of the lines and pipelines, training for the use of equipment, etc.;
2. We provide 24 hours*7 service. Customers can contact us at any time if they encounter problems, and never worry about being at a loss after a project failure;
3. We will carry out free repairs during the warranty period, and after the warranty period is over, we will also carry out repairs at a low price close to the cost to achieve cost optimization for customers.