79204019
Nov 24, 2016
Feb 13, 2018
SHANDONG KERUI PETROLEUM EQUIPMENT CO.LTD.
Active Trademark
Nitrogen; Nitric monoxide; nitrous oxide for industrial use; Dry ice; Soda ash; Salts for industrial purposes; Oil dispersants; chemical additives for drilling muds; Drilling muds; Emulsifiers for industrial purposes; Defoaming agents, namely, antifoamer for water-resistant slurry; Phosphor powder
Chemicals