... water solubility. Usage:Oil displacing agent ,Well drilling,Industrial Waste Qingdao Central Chemical - polyacrylamide polyacrylamide include APAM,CPAM and NPAM.* Performance ... :00) Beijing, Hong KongProvince/CityShandong ,QingdaoAddressTianbao International Building, Ginza 15 Floor, Haier Road 61st, Qingdao, Shandong, ChinaZip/Post Code266061Telephone86-532-55576181Fax86-532 ...