Optimistic engineering-OPEN is a creative Electrical Engineering firm. We are pleased to introduce ourselves as a Govt. approved electrical contractor registered in Dhaka since 2021. From the beginning we focus on client satisfaction by providing world class technologies, Products and Services. Optimistic engineering -OPEN becomes a reliable and beloved firm in the field of electrical engineering sector of Bangladesh because of its high quality products, efficient and innovative concepts, on-time delivery, project execution and commitment of after sale services. Optimistic engineering-OPEN is already Handed-Over many of significant Projects with client satisfaction. We are dealing with high quality Substation equipments (includes Transformer, HT/LT switch gear, PFI panel, CT, PT, Metering unit, BIL Lightning Arrester , Drop Out Fuse and other spare parts of substation like Circuit Breakers transformer oil, capacitor, BUSBAR, indoor & outdoor heat shrink , Iron channel etc), world class Diesel Generator, LIFT & Escalator for commercial building, sustainable renewal energy system specially Solar Energy System, Fire Detection & Protection System , energy efficient Air Conditioner, modern Lightning Protection System-(ESEAT), industrial & domestic Pump Motor Automation, PA Sound & Digital Conference System with update technology, CCTV & Surveillance System, PABX & Internet, foreign made with low cost IPS UPS AVR and Batteries. We also provide Architectural Lighting Design and Electrical Engineering Drawing supports.Temporary Rental Works like Supply of Generator, Sound System and Air Conditioner is our another service.