79090805
Jul 2, 2010
May 24, 2011
BEIJING ZEHUA CHEMICAL ENGINEERING CO.LTD.
Active Trademark
Machines and apparatus for the petrochemical industry, namely, gas and liquid separators; gas separating machines for oil refinement; moulds being machine parts for use in the manufacture of plastics
MachineryGas scrubbers; distilling units, namely, valves and valve trays used in oil refinement; distilling units, namely, fractionation trays in distillation towers in the chemical and petrochemical industry; refining towers for distillers
Environmental Control Apparatus