Shide is full of streets, so it's hard to tell whether it's true or not. The quality of conch brand is stable. Zhide Liaoshen is a family, and Zhide is a high-end brand of Liaoshen. Jiuli uses very little now. As far as I know, Shenyang is the only one that sells it. It depends on your own preferences. On the one hand, material processing is very important. I can recommend several window factories to you if necessary.