1) Free installation and debugging; 2) free provision of instructions and parts catalogues and related technical materials for users; 3) free on-site technical guidance, related theoretical support and necessary technical training to users according to the needs of users; 4) the company provides users with reasonable price of high quality products and related accessories in a timely manner; 5) the company has a local after-sales service organization; 6) the company has a full-time after-sales service team, one hour after receiving the notification from the user to give a clear reply, and promise to arrive at the scene within 2: 4 hours of professional and technical personnel; 7) during the warranty period (the product warranty period is 12 months): if it belongs to the product quality problems, the company provides maintenance accessories and technical services free of charge; beyond the quality assurance period: our company provides free technical services; 8) quality assurance measures: after the equipment is put into operation, our company will send after-sales service personnel to the site regularly to carry out itinerant inspection to ensure the normal operation of the equipment. 9) the accessories will be sent to the maintenance site free of charge during the warranty period. 10) establish perfect product use file for users. 11) 24-hour service telephone number 0554 / 4333311 is waiting for your complaint at any time, and each complaint can be responded to within 2 hours. 12) after purchasing the equipment, the buyer plans to contact the bidder with the specific date of installation and commissioning three days before the installation and commissioning, so that the bidder can arrange for the personnel to arrive at the installation and commissioning place within the specified date in a timely manner.