Zibo Zimao Co.,Ltd,which has engaged in Refrigerant and Hydrofluoric Acid ,PVDF,Silicone Oil for over 10 years,with Certificates of ROSH/CE/SGS/ISO9001 etc.Have a factory as base,we can provide goods with high quality competitive price.Pls feel free to contact us if you are intrested any our goods.Look forward do business ...