Our advantages:1. Mix unique color & design to help you win the market2. 100% On-time shipment, the fastest sample time3. More than 30 years' manufacture for doors and windows4. 100% Payment protection5. Strict incoming controls, production system, final controls, storing environment6. 100% inspection before shipment, quality inspectors more than 25 persons7. One -stop service experience more than 30+ years.8. Warranty : life-long warranty so you can buy with confidence, welcome to consult our managers!Over 30 years, we have been providing our customers with the best products, the best mold customization, well-equipped testing facilities, strong technical support. With the enterprise spirit of 'Professional, Efficiency, Responsibility, Fun, Joy, Love', we have established good relationships with many professional buyer friends all over the world^^