Ningbo Zhongding Plastic Co.,ltd, is a professional manufacturer of polycarbonate sheet series more than 10 years. Including polycarbonate hollow sheet, polycarbonate honeycome sheet,polycarbonate u-lock sheet, polycarbonatesolid sheet, polycarbonate frosted sheet, polycarbon skylight. PC corrugated sheet and PC accessories. Zhongding has passed ISO 9001:2008 quality system certificate and SGS system certificate.