We Shanghai Zhongquan Industry Co.,Ltd is one of the biggest manufacturer for glass products,buiding glass in china.we professionly supply the glass block,many kinds of glass containers and other glass products to the abroad. Our company have a centuries-old history and we had estabished a strict quality manage and control system. Our corporate spirit is 4G: GOOD PRICES,GOOD QUALITY! GOOD SERVICE,GOOD PEOPLE! If you have a demand about glass block and other building glass,Please let us to know that must be a advisable choice!