QPC

CHEMICALS FOR USE IN THE DRILLING AND PRODUCTION OF PETROLEUM - NAMELY, CORROSION INHIBITORS, SURFACTANTS, EMULSION BREAKERS, EMULSIFIERS, DEFOAMERS, ACID INHIBITORS, FLOCCULANTS, FOAMING AGENTS, PREPARATIONS FOR TREATMENT OF SCALE; PREPARATIONS FOR SCAVENGING OF OXYGEN AND HYDROGEN SULFIDE; PIPELINE TREATMENT CHEMICALS; WATER PURIFICATION AND CLARIFICATION CHEMICALS

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