Samair, Biruliya, Savar, Dhaka 1341
+880 1730-067280, +880 1730-070893
md.aziz@rototechbd.com, mahmudul.hasan@rototechbd.com
THE ROTOTECH ADVANTAGE
Built on Expertise. Driven by Precision.
Expert Engineering
35+ skilled engineers with domestic and international experience at every service level. We take ownership of problems end-to-end.
Rapid Response
24/7 emergency support and fast turnaround times. Production downtime costs money — we minimize every minute of it.
Authorized & Certified
Authorized Napier Turbocharger service provider. Local representative of VVK TurboTech. Garrett Motion Authorized Global Service Station. 800+ completed projects.
End-to-End Capability
From single-component repair to full electrical & mechanical project execution — including process replication and plant expansion work.
WHAT WE DO
Core Service Portfolio
Complete maintenance, repair and overhaul solutions for rotating and turbo machinery across Bangladesh’s key industrial sectors.
Repair & refurbishment
Full mechanical machining, component refurbishment, dismantle-assembly, dimensional restoration and post-repair testing to original OEM specifications.
Read More →Motor
Full motor repair including rewinding, dynamic balancing up to 2,335 kg rotors, bearing replacement and vibration diagnostics for Siemens, LDW, ABB and all major brands.
Read More →Alternator Generator
Regular maintenance, rewinding, dynamic balancing, bearing housing repair and insulation testing. Local representative of New Standard Electrical.
Read More →Turbine
Complete service for Triveni turbines. Blade refurbishment, nozzle ring specification changes, rotor rebuild & balancing. Local representative of VVK TurboTech.
Read More →Turbocharger
Full disassembly, inspection, component replacement, precision dynamic balancing and reassembly. Serving marine, power generation and industrial applications across Bangladesh for 15+ years.
Read More →Complete maintenance, repair and overhaul solutions for rotating and turbo machinery across Bangladesh's key industrial sectors.
Turbocharger Repair & Overhaul
Full disassembly, inspection, component replacement, precision dynamic balancing and reassembly. Serving marine, power generation and industrial applications across Bangladesh for 15+ years.
Turbine Service
Complete service for Triveni turbines. Blade refurbishment, nozzle ring specification changes, rotor rebuild & balancing. Local representative of VVK TurboTech.
Gas Booster Compressor
Overhaul, seal replacement, valve maintenance, cylinder head work and performance testing for gas booster compressors in industrial, process gas and CNG applications.
Alternator & Generator
Regular maintenance, rewinding, dynamic balancing, bearing housing repair and insulation testing. Local representative of New Standard Electrical.
Motor Service
Full motor repair including rewinding, dynamic balancing up to 2,335 kg rotors, bearing replacement and vibration diagnostics for Siemens, LDW, ABB and all major brands.
Repair & Extended Overhaul
Full mechanical machining, component refurbishment, dismantle-assembly, dimensional restoration and post-repair testing to original OEM specifications.
Our Savar workshop and field teams are equipped with advanced technology to deliver precision results — in the workshop or at your site.
Precision Dynamic Balancing
State-of-the-art dynamic balancing machines capable of handling rotors from small turbocharger assemblies up to large industrial rotors exceeding 2,000 kg. ISO 1940 standard balancing with full documentation.
- Rotor capacity: 0.5 kg to 5,000 kg
- ISO 1940 G1 & G2.5 precision grades
- Two-plane balancing for long rotors
- Turbocharger CHRA balancing
- Fan, impeller & pump rotor balancing
- Full balancing certificate issued
Onsite In-Situ Balancing
Our trained field engineers perform in-situ balancing directly at your plant — eliminating disassembly time and costly machine downtime. We bring portable balancing instruments to your site.
- No disassembly required
- Single-plane & two-plane in-situ
- Fans, blowers, pumps, turbines
- Vibration measurement & analysis
- Available 24/7 for emergency callouts
- Suitable for hazardous areas (ATEX)
Laser Shaft Alignment
Precision laser alignment for motor-pump, turbine-generator and all coupled machinery sets. Misalignment is a leading cause of premature bearing failure — our laser systems provide accuracy to within 0.01 mm.
- Precision to ±0.01 mm / 0.01 mrad
- Motor, pump, compressor, turbine sets
- Horizontal & vertical shaft alignment
- Soft-foot detection & correction
- Alignment reports with before/after data
- Available at site or in workshop
White Metal Bearing Refurbishment
Complete white metal (Babbitt) bearing refurbishment including tin and lead-based alloy relining, bond testing, machining to OEM drawings and surface finishing. Critical for turbines, large motors and pumps.
- Tin-base & lead-base Babbitt alloys
- Static & centrifugal casting methods
- Bond integrity testing (ultrasonic)
- Precision machining to OEM spec
- Journal, thrust & tilting-pad bearings
- Material certification provided
Vibration Analysis & Diagnostics
Comprehensive vibration measurement, spectrum analysis and machine health diagnosis to identify faults before they cause failures. Reduce unplanned shutdowns and extend machine life.
- FFT spectrum analysis
- Bearing fault detection (SKF, etc.)
- Misalignment & unbalance diagnosis
- Resonance & critical speed analysis
- Route-based periodic monitoring
- Detailed diagnostic report issued
Precision Mechanical Machining
In-house CNC and conventional machining for dimensional restoration of worn components. Shaft repair, bore machining, keyway cutting, thread repair — we make old components new again.
- CNC turning & milling
- Shaft journal repair & re-grinding
- Bore restoration & line boring
- Keyway cutting & thread repair
- Flange facing & surface grinding
- Component reverse engineering
Project Capability
Beyond routine repair, RotoTech is a capable project execution partner — from new installations to exact replication of existing systems and full plant expansions.
Electrical Installation & Project Work
Complete electrical project execution from design to commissioning. Motor control panels, switchgear, power distribution, instrumentation and automation systems — delivered to specification, on time.
Mechanical Project Execution
Full mechanical project capability from structural fabrication to precision equipment installation. Piping systems, rotating machinery installation, alignment, commissioning and load testing.
Exact Process Replication & Duplication
We study your existing electrical and mechanical processes in detail and replicate them precisely — creating identical production lines, utility systems or machinery configurations to proven specifications.
Plant Expansion & Capacity Enhancement
Helping industrial facilities grow — we integrate new electrical and mechanical systems with existing infrastructure seamlessly, ensuring continuity of operations during expansion phases.
Whether it's a new installation, exact replication or plant expansion — our project team is ready to discuss your requirements.
Trusted by leading organizations across Bangladesh's most critical industrial sectors.
Power Generation
Gas turbines, generators, steam turbines
Marine & Shipping
Marine turbochargers, propulsion
Fertilizer & Chemical
Process compressors, turbines, pumps
Oil & Gas
Gas boosters, process machinery
Textile & Garments
Industrial motors, alternators
Cement & Steel
Kiln drives, blowers, equipment
Pharmaceuticals
Precision motors, clean systems
Water Treatment
Multistage pumps, blowers
Food & Beverage
Pumps, motors, drives
Petrochemical
High-pressure compressors
in Bangladesh
Our Savar workshop eliminates costly overseas shipments — everything from precision balancing to white metal bearing refurbishment, done in-country by experienced engineers.
- Dynamic BalancingUp to 5,000 kg capacity
- Turbine Blade RefurbishmentFull blade repair & restoration
- In-Situ BalancingAt your plant, no downtime
- Laser Shaft AlignmentPrecision to 0.01 mm
- White Metal BearingFull refurbishment facility
- CNC MachiningPrecision component work
- Motor RewindingAlternator & motor bays
- Vibration AnalysisFFT diagnostics
Napier Authorized
Official authorized service provider for Napier Turbochargers in Bangladesh
VVK TurboTech
Local representative for VVK TurboTech turbine service solutions
Garrett Motion
Garrett Motion Authorized Global Service Station for turbocharger repair and overhaul
International Quality
All services delivered to international standards with full documentation
RotoTech Achieves Major Milestone in Marine Turbocharger Service at Kutubdia
A landmark marine turbocharger overhaul project demonstrating full offshore service capability across Bangladesh's maritime sector.
Read More →Boiler Feed Water Pump Rotor Balancing for Samsung C&T
Precision balancing of a multistage pump rotor for one of Korea's largest construction conglomerates operating in Bangladesh.
Read More →RotoTech Becomes Authorized Napier Turbocharger Service Provider
A landmark milestone establishing RotoTech as Bangladesh's official Napier turbocharger service partner.
Read More →Ready to Solve Your
Machinery Challenge?
Fast, no-obligation quote from our engineering team — services or projects