WONIK HOLDINGS

Gas cocks, namely, gas ball valve used to shut off the flow of gas; Regulating accessories for gas supply apparatus; Regulating and safety accessories for gas pipes; Regulating accessories for gas pipes; Electrochemical gas generators; Thermal oxidizers for industrial pollution control; Gas scrubbers; Gas scrubbing installations; Gas condensers, other than parts of machines; Filters and filtering devices for gas conditioning; Gas purification machines; Purifiers for machines, namely, purifiers for removing contaminants from gases used in the semiconductor industry; Filters for gas purification apparatus; Spark igniters for gas appliances; Exhaust gas purifiers, namely, purifiers for removing contaminants from gases used in the semiconductor industry; Inert gas supply apparatus, namely, regulating accessories for gas pipes and lines

Maintenance of gas pipelines; Installation of gas pipelines; Repair of gas pipelines; Repair of gas plants; Installation of gas plants; Advisory services relating to the installation of plumbing; Installation of plumbing; Plumbing; Maintenance of gas pipes, namely, washing of plumbing; Installation of plumbing systems; Repair of plumbing systems; Advisory services relating to the maintenance of plumbing; Maintenance of plumbing installations; Installation, maintenance and repair of electrical equipment, namely, electric switchboards; Electric appliance installation and repair; Maintenance of electric consumer appliances; Electrical systems installation services; Installation of wireless communication equipment; Repair of wireless communication equipment; Maintenance of wireless communication equipment