Hangzhou Gongshu District ZhejiangNo.31 Zao Zhi / Zao Zhi Chang / PaperNo.40 Commercial Real EstateNo.58 Yin Shua / PackagingNo.81 Real Estate Development Real Estate Packaging Materials Paper Products Special Paper Bao Zhuang Yong Paper Art Paper Yin Shua Yong Paper Cowhide Paper