The safety valves, explosion discs, pressure vacuum ventilators and flame holders that are used at static equipments and pipelines in petro-chemical sector have great environmental and financial importance. Potential malfunctions can lead to enormous environmental damage and financial damage. It is vital that these equipments are healthy condition and fulfill their duties in the desired characteristics where in such facilities where no downtime is desired. We offer a wide range of services for petro-chemical plants from product engineering to product sales, from calibration and test to product maintenance.