Derstrong enterprise co., ltd refined the products to develop glass clad polycaborate and provide not only safety shield for the operator but also the machining process can be directly monitored during its working. We integrated both advantages of polycarbonate and glass to provide a solution of hight impact resistance, anti-scratching, anti-corrosion, safety vision window for cnc machine tools. Of course our quality conform to ce certificated like en iSO 23125, EN 12415, EN 12417 AND EN 12478. na