About Us
GEF Technologies Sdn. Bhd. has been in the business of Electric Motor Rewinding and Repair Services in the Klang Valley since established in 1960 (previously known as Syarikat Weng Hin Electrical Works).
In meeting with new growth & challenges, from 1st Jan 1999, GEF Technologies Sdn. Bhd. has restructured into a private limited company and has diversified into other related scope of works & services detailed as follows.
GEF Scope of Business Services:
- Sales of Standard & Special AC /DC Motors, MV Motor Starters, Medium Voltage Power Factor Correction Capacitor Banks
- Complete repair / Restoration / rebuilding of All type of large & medium frame AC & DC Motors, Transformers, Generators
- Overhaul Service for All types of Medium & Large Frame AC /DC Motors, Rotary Frequency Converters, Generators, Transformers
Our Service
Selling AC & DC Motor, Transformer & Starter
- Supply New GEF AC Motor
- Supply New High Voltage Motor
- Supply New Large Frame DC Motor
- Supply New High Voltage Transformer
- Supply New Oil Immerse Type Transformer
- Supply Power Correction Capacitor Bank
- Supply New Motor Starter For HT Motor
- Supply GEF Roller Table Motor
- Supply New Motor Starter Panel
Overhaul Service High Voltage Motor
- Complete Overhaul 1 x 650 kW, 6600 Volt, 989 RPM, Exhaust Fan Slip-Ring Motor
- Complete Overhaul 1 x 1330 kW, 6600 Volt, 992 RPM, Primary Crusher Motor
- Complete Overhaul 1 x 1400 kW, 6600 Volt, 988 RPM, Siemens Motor
- Complete Overhaul 3 x Units 5000 kVA, 11kV, 500 RPM, Brushless Synchronous Motor
Rewinding High Voltage Motor
- Complete Rewind High Voltage Motor
- Complete Rewind HT Slip Ring Motor
- Refurbishment 1 x unit 2200kW, 11kV, Ex-Proof Motoriv. In-situ Rewinding of 20MW Generator
Overhaul & Rewind Transformer
- Overhaul Service HT Transformer
- Repairing & Refurbishment – HT Transformer
- Complete Overhaul Service – HT Transformer
- Complete Rewind – HT Transformer
Overhauling & Rewinding of DC Motor
- Rewinding Of DC Motor Winding
- Repairing & Refurbishment Of DC Motor
- Overhaul Service Large DC Motor
- Overhaul Service DC Motor. Rewinding Of DC Motor
GEF Workshop & Facilities
Current Sungai Buloh Plant has total built up workshop area of estimated to be more than 10,000 sq. ft. (1,000 sq. meter).
- Lifting Zone 1 & Lifting Zone 2
- 5MT Overheard Crane (Lifting Zone 1)
- 15MT Overhead Crane (Lifting Zone 2)
- Temperature Controlled Electric Oven
- Smaller Oven
- Washing and Cleaning Bay
- Complete No-Load Testing Facility for MV Motors
- Laser Alignment at Site
- Thermal Imager Instrument
- Motor Bearing Installation using Induction Heating System and complete SKF Bearing installation
- SAMATIC (made in USA) Inter-turn shot and hi-pot test set – Surge Voltage Test Set – complete with printer and analyzing lap-top computer
- High Pot Testing of Stator Winding After Complete Rewinding
Awards & Certificates
- Sample of Service Report
- Suruhanjaya Tenaga Certificate
- AEMT Certificate of Attendance
- ISO 9001 Certificate
- Lembaga Jurutera Malaysia Certificate
- AEMT Member Certificate
- Fuji Electric Training Certificate
- Awarded Prize from Suruhanjaya Tenaga, Malaysia (Energy Commision, Malaysia) Prize: Top seller of High Efficiency Motor (EFF 1) in Malaysia for year 2005-2006
- The International Certification Network Certificate
- Jabatan Bekalan Elektrik Certificate
Our Specialized
> SUPPLY & INSTALL MV / LV MOTORS, DC MOTORS
> DESIGN & MODIFY EXISTING DRIVE SYSTEMS
> REWIND / SERVICE, OVERHAUL & REFURBISHMENT FOR:-
- LV / MV MOTORS, LV / MV TRANSFORMER
- MOTOR STARTER CONTROL PANEL
- ROTARY FREQUENCY CONVERTER
- EXPLOSION PROOF MOTOR-EXD II (FUJI ELECTIC, JAPAN)
- ELECTRIC DC MOTORS (SICMEMOTORI, ITALY)
GEF Scope of Business Services
- Sales of Standard & Special AC / DC Motors, MV Motor Starters, Medium Voltage Power Factor Correction Capacitor Banks
- Complete repair / Restoration / rebuilding of All type of large & medium frame AC & DC Motors, Transformers, Generators
- Overhaul Service for All types of Medium & Large Frame AC / DC Motors, Rotary Frequency Converters, Generators, Transformers
