Free installation and debugging of instruments and software for customers; According to customer requirements, to provide free product use and other aspects of technical guidance; The product implementation of three guarantees, that is, guarantee repair guarantee replacement guarantee return; Correctly and quickly handle customer calls, letters and visits, answer customer consultation questions, deal with customer complaints; Take the initiative to regularly telephone mail or door-to-door return visit to customers, collect customer feedback information, according to the situation to improve and improve. We not only provide you with quality products, more you provide quality service.If there is any problem, please call customer service phone :0395-3333802