Hangzhou ZhejiangNo.8 DyesNo.9 Zhu AgentsNo.31 Zhong Jian Ti New Materials Hua Gong / Chemistry Ran Liao Zhong Jian Ti Ran Liao Zhu Agents Fine Chemicals科技型中小企业省级高新技术企业省科技型中小企业高新技术企业省级节水标杆企业隐形冠军企业制造业单项冠军专精特新小巨人企业市级创新型中小企业ISO9001认证ISO14000认证