Grin Quality Technical Service Co., Ltd. is a company that provides services related to design, consultation, advice and intensive inspection (Third Party Certified Inspection) in equipment selection and installation, including equipment procurement services, installation and maintenance, as well as consultation and advice on Explosion Proof equipment such as Electrical, Instrument, Telecom, HVAC, Cathodic Protection CP, and Non-Electrical Equipment Explosion-Proof Type of all types and brands and others that are installed in Hazardous Area and Non-Hazardous Area during the initial construction of the project or extension work and maintenance according to the schedule. To prevent explosions and combustion that may occur in areas that are Hazardous Areas

Especially in the Oil and Gas & Petrochemical industry, both Onshore and Offshore, to prevent explosions and combustion in various equipment based on ATEX Standard and IEC Standard Base on IEC60079-14 and IEC60079-17 and NEC500 & NEC505 on the design and selection of Explosion Proof equipment, covering the T-Rating system, IP Ingress Protection of the equipment installed in hazardous areas and general normal areas. We have experts who have been trained and certified by the JTL Group CompEx Institute,  Compexcertification. from England, which is licensed by the IEC Switzerland Institute, who have high experience from both domestic and international for more than 30 years, to oversee and control the service.