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  Major

  PROFESSIONAL

  Profession is the foundation of our survival. Through our professional and profound technology, orderly and outstanding management ability, we consistently provide customers with excellent products and considerate services! The professional technical team provides you with high-quality, safe, energy-saving and efficient product services; The professional engineering service team will provide you with timely, comprehensive, considerate and fast after-sales service, so that your products can reach the best operating state.
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  Quick

  FAST

  Think what the user thinks, and hurry what the user thinks. Yongji provides customers with expert services anytime, anywhere, and 24-hour customer service hotline. Customers can effectively complain for two hours and quickly respond to their complaints, so as to solve their problems as quickly as possible.
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  Security

  SAFE

  Security is the basis of our services. We are committed to creating a safe and efficient production environment for customers, guiding customers to solve security problems in the use of products, and integrating refined security management into the entire service to ensure the maximum value of the services provided.
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  Satisfied

  SATISFIED

  All our business activities are constantly pursuing customer satisfaction. It is our unremitting pursuit to serve our customers, pursue customer satisfaction and exceed customer expectations. We respect customers, understand customers, and continue to provide products and services that exceed customer expectations. Being a permanent partner of customers is the service theory we have always adhered to and advocated.

The after-sales service provided by us is subject to strict supervision and management mechanism. If users are dissatisfied with our technical service personnel or do not provide corresponding services according to the contract service standards, they can directly feed back to us. We will arrange more senior technical service personnel to go to the site until the responsible leader of the company, so as to successfully solve the problem. In addition. We promise:
1.24 hour telephone support;
2. The warranty period after the maintenance is 12 months. During the product warranty period, if the quality problems are caused by our design, manufacturing and other reasons, we shall assume full responsibility and be responsible for repair and replacement free of charge;
3. We promise to continue to provide technical support to users in the use, maintenance and application of products;
4. If there is any problem with the product after delivery, we will diagnose the fault in the shortest time and propose solutions to ensure the normal use of the product;
5. Arrange regular return visits at intervals of no more than half a year.