No. 19 & 20, Jalan SR 2/5, Taman Serdang Raya, 43300, Seri Kembangan, Selangor, Malaysia

Call Us:
03-8943 0730

About Us - Grand Holly Electrical Industries Sdn Bhd

GrandHolly Electrical Industries formerly known as Holly Trading (M) Sdn. Bhd. and Inno Advance Sdn. Bhd. operates efficiently at No.19, Jalan SR 2/5, Taman Serdang Raya, in Seri Kembangan, Selangor.The company produces and supplies top notch electrical products andcomponents such as auto-transformers, power and control transformer,rotor resistance for starters, rectifier and reactors.

Incorporated in 1996, our range of high quality products caters for mostly industrial factories and the appointed authorized dealers, covering market nationwide and overseas markets, including Hong Kong, Singapore, Indonesia, Vietnam, Myanmar and Brunei.

We have 30 years of experience in manufacturing, grinding through daily trial and error during the early days of our inception, to become who we are today. Call us today to know more about our products and services.

Design and Manufacture

We design and manufacture all type of transformers to suit your particular requirements. We also have facialities to handle large quantity of standard type of step up and step down transformers, ballasts, and custom made transformer.


The raw material and machinery used in our factory are carefully selected for maximum quality and economy in production. The magnet wire used are high quality products approved by JIS, NEMA, and BS. We uses the lastest computerised coil winding machine for transform and resistance coil productions. High grade silicon steel from Japan is used in the transform core. High speed stamping machine and progressive dies are used in the EI lamination production. Special purpose machine are used for quality inspections in the factory.

Our Services

Our company has been in the transformer and motor starter components business for more than ten years. 

Our products include :-

  • Power Transformer - Capacity from 10VA up to 600KVA
  • Auto Transformer - Motor starting applications up to 600KW
  • Resistance Bank - Slip ring motor starter
  • Various Type of Resistance Bank - Customised design resistance bank 
  • Reactor and Inductor - For as a line filter and power factor correction