After-sales service: three years of free maintenance with glue and Angle materials, after-sales service will solve problems for you in time, after receiving the customer information, instant give customers a processing opinion or technical guidance cannot real-time processing, will be within 24 hours with the customer contact and handling opinions according to actual situation. Also provide free investment analysis, product design drawings for you free of charge, make your product more market competitiveness. Customers to the factory, the company free shuttle, provide free product installation, maintenance and other technical training. For the customer agent consignments, and safe, fast, visit, guide operation.