Gas sensors; electrochemical gas sensors; measuring devices; testing and quality control devices; sensors, detectors and monitoring instruments; controllers and regulators; apparatus for analysing gases; liquid analyzers

PLANT FOODS

a Surface Cleansing and Conditioning Preparation, a Protecting Polish and a Cleansing and Polishing Preparation

Providing information in the field of oil and gas hydraulic fracturing and the chemicals used in the hydraulic fracturing, drilling and pumping of oil and gas wells

chemicals used in hydraulic fracturing of oil and gas wells; chemicals used in the drilling and pumping of oil and gas wells

chemical engineering research and development services and product development

INDUSTRIAL AND JANITORIAL CLEANING SUPPLIES, NAMELY, DEGREASING, POLISHING AND FINISHING PREPARATIONS AND CLEANING PREPARATIONS WITH DISINFECTING PROPERTIES FOR USE ON INANIMATE SURFACES, NAMELY, FLOOR CLEANING PREPARATIONS, FLOOR POLISHING PREPARATIONS, FLOOR FINISHING PREPARATIONS, FLOOR WAX AND POLISH REMOVING PREPARATIONS, NAMELY, STRIPPING PREPARATIONS FOR REMOVING WAX FROM FLOORS; FURNITURE AND GLASS CLEANING AND POLISHING PREPARATIONS; STAINLESS STEEL CLEANING PREPARATIONS; TILE CLEANI...