1, a clear after-sales service preferential conditions and warranty response time: within the warranty period of 24 to 36 hours (48 hours outside the province) to reach the scene maintenance. After the warranty expires, a clear routine maintenance time and various maintenance commitments. 
2, Valves provide free maintenance for 1 year and provide free spare parts list within this period. If damage caused by inhuman causes during the free maintenance period (except for reasons of force majeure), our company will be replaced and repaired in time. 
3, the device requires a lifetime warranty, after the expiration of the free warranty if the buyer commissioned my company for maintenance, the company will maintain the replacement parts (ex-factory price), and details the content of the warranty. 
4, the company provides the minimum service life of equipment, during this period, non-human causes of operation for a major accident (except for force majeure reasons), the buyer has the right to trace the responsibility of the seller. 
5, when a certain equipment to stop or change surname production, our company prior to stop or modify the production plan to inform the buyer, so that buyers have enough time to purchase the necessary spare parts; the same time my company to provide spare parts drawings and related technical parameters. 
6, my company provides a companion service 
      a, installation and commissioning is responsible for equipment maintenance, operation and maintenance of operation and maintenance personnel training. This service is provided free of charge. 
      b, the required spare parts: to ensure the normal operation of equipment, standard accessories and special tools are included in the tender price of a full set of equipment. 
7, my company in the interests of its clients first, customers would like to think, anxious customers urgently, try their best to meet customer requirements, good after-sales service.