Grand Kartech is an engineering and manufacturing company engaged in the design and building of equipment and machinery. It operates through five segments: Automotive, Customized, Energy, Oil and Gas, and Services. The Automotive segment offers goods and services to automobile manufacturing plants in the process of painting and oven production processes. The Customized segment provides products and services that include dryers, conveyors, mixers, autoclaves, tanks, etc. The Energy segment offers boiler products such as steam boilers, hot water boilers, heat recovery system generators, and thermal oil heaters. The Oil and Gas segment provides goods and services for oil and gas processing such as separation, gas sweetening, glycol dehydration, pump skid, chemical injection skid, pressure vessel, shell and tube heating exchanger, storage tanks, etc. The Services segment offers after-sales services such as boiler rental, cleaning, repair, troubleshooting, boiler service contract, fuel conversion, water treatment, etc.