Zhejiang Shihao Industry & Trade Co. Ltd has been developing and producing PVC windows and PVC doors for 20 years since our foundation.You will find high quality PVC and aluminum products in our showroom. By using the finest profiles, hardwares and glasses, long-term performance and durability are guaranteed. Customers all over the world speak highly of our products. As a still growing producer, new customers are always welcomed to contact us by mail or visiting the factory.