Pre sales service：1.Provide free windows and doors project analysis
2.Provide free industry related information
3.Provide free factory electrical road layout machine on-site guidance and installation
Sale service：1.Free training operation and use
2.Free training doors and windows production technology
3.Free training facility maintenance engineer
After-sale service：1.Products to implement three packs，A week after the completion of installation debugging, the product to reach the national standard, can negotiate a replacement, return
2.Equipment warranty for 12 months, life-long maintenance, regular maintenance
3.Key areas to provide 24 hours instant service
4.To provide customers with air express spare parts Service
