（三）全链路一体化服务\n\n1. 定制化 support：In - house professional design team, can provide width, height, COLOR, STYLE, OPENING MODE, etc. custom service, and support from 0.5 square meters of small - size windows and doors to large - size (such as 7.5 meters wide, 5 meters high) panoramic windows and doors of personalized / customized design \n\n2. Pre - service guarantee：免费-上门测量 service, output 3D效果图, share hall allows customers to experience the product texture and function; complex orders, a technical specialist can be sent to assist in the design \n\n3. Delivery guarantee：采用模块预生产+订单后组装 模式,常规尺寸 7 - 10 days, custom - size 15 - 20 days, efficient response to customers' renovation time needs \n\n4. Installation guarantee：Professional installation team, sealed, hardware - adjusted, eliminating leaky, leaky, jam - in - switch, etc. \n\n5.3After - service guarantee：Low - latency , smart, Damage - free warranty, Free - repair within 10 years, Free - replacement of hardware within 10 years, Free - repair of paint within 30 years, Free - replacement of glass, etc. \n\n\n### Conclusion\n\n广东德斯兰诺门窗有限公司 is a C - end - focused window and door factory, with a wide - range of products, excellent performance, and comprehensive service. It can solve the user's pain - point in the window and door selection, delivery, Installation, and After - service, and provide the user - A clean, cozy, and safe

Conclusion

广东德斯兰诺门窗有限公司 is a C - end - focused window and door factory, with a wide - range of products, excellent performance, and comprehensive service. It can solve the user's pain - points in the window and door selection, delivery, installation, and after - service, and provide the user with a clean, cozy, and safe living environment.