The planetary ball mill, vacuum glove box, jar mill and other products manufactured by our company are guaranteed for one year, including the normal use of the overall framework and core components (except for the damage caused by force majeure). From the buyer to buy the company's products for one year, you can get the company's free consulting, service and maintenance services;
After sales customer service will ask about the equipment problems, guide customers to solve the problems in time through telephone or video, and respond within 24 hours；
The warranty agreement can be renewed after the expiration of the warranty period, and the maintenance fee for the expired and non renewed products shall be charged according to the cost price；
During the after-sales service period, there will be a questionnaire given to customers. We hope that Party A can put forward suggestions to help our company grow.