What are the opening hours?

Monday 08:00 - 17:00 Tuesday 08:00 - 17:00 Wednesday 08:00 - 17:00 Thursday 08:00 - 17:00 Friday 08:00 - 17:00

Mastery Engineering Private Limited

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Sri Lanka
Wattala
Mastery Engineering Private Limited

The foremost choice for Electrical Engineering Projects and Solutions .

14/04/2026

ඔබ සැමට සාමය සතුට පිරි සුභ නව වසරක් වේවා!!!

04/04/2026

Happy Easter Everyone!!!!

28/03/2026

✅ Project Completion Announcement

We are glad to announce the successful completion of the Medium Voltage Transformers replacement at Trincomalee.

Scope of Work Included:
🔹 Replacement of MV Transfomers
🔹 Supply and Installation of MV Termination kits.
🔹 Comprehensive Testing & Commissioning.

📩 For inquiries, contact us at: [email protected]

🌐 Visit us: www.masteryengineering.com

22/03/2026

✅ Project Completion Announcement

We are proud to announce the successful completion of the Medium Voltage Switchgear replacement at Manufacturing facility in Galle .

Scope of Work Included:
🔹 Replacement of MV Switchgear panel.
🔹 Supply and Installation of MV Termination kits.
🔹 Installation and configuration of protection relay.
🔹 Comprehensive Testing & Commissioning.

📩 For inquiries, contact us at: [email protected]

🌐 Visit us: www.masteryengineering.com

21/03/2026

May this Eid bring peace, prosperity, and endless joy to your heart and home!!!

21/02/2026

✅ Project Completion Announcement

We are happy to announce the successful completion of the Medium Voltage (MV) System of Balance of Plant (BoP) Solar Ground mounted Installation at Embilipitiya .

Scope of Work Included:
🔹 Installation of 33kV/800V STS.
🔹 Supply and Installation of Residual Voltage Transformer.
🔹 Supply & Installation of MV Gantry with DDLO & Surge Arrestors.
🔹 Installation of Protection Relay Panel for Grid Interconnection.
🔹 Comprehensive Testing & Commissioning in Compliance with Utility Requirements.

📩 For inquiries, contact us at: [email protected]

🌐 Visit us: www.masteryengineering.com

15/02/2026

Wishing Everyone a Blessed Maha Shivaratri!!!

05/02/2026

✅ Project Completion Announcement

We are proud to announce the successful completion of the Medium Voltage (MV) System of Balance of Plant (BoP) Solar Ground mounted Installation at Madampe.

Scope of Work Included:
🔹 Installation of 33kV/415V Oil-Immersed Transformer.
🔹 Installation of Residual Voltage Transformer.
🔹 Supply & Installation of MV Gantry with DDLO & Surge Arrestors.
🔹 Installation of LV Main Switchboard with Protection Relay for Grid Interconnection.
🔹Laying and Termination of LV cables from Transformers up to inverters.
🔹 Comprehensive Testing & Commissioning in Compliance with Utility Requirements.

📩 For inquiries, contact us at: [email protected]

🌐 Visit us: www.masteryengineering.com

15/01/2026

May this harvest festival bring you good health, wealth & happiness !!! Happy Pongal 🌾

08/01/2026

✅ Project Completion Announcement

We are delighted to share the successful completion of the Electrical Scope of a Factory Expansion at Malwana.The scope of work included:

🔹 Supply & Installation of LV Panels
🔹 Supply & Installation of Cable Management Systems
🔹 Supply Laying and Termination of LV Cables Including Overhead ABC Cables

This achievement reflects our commitment to delivering reliable, efficient, and high-quality engineering solutions.

📩 For inquiries, reach us at:
[email protected]

🌐 Visit us: www.masteryengineering.com

01/01/2026

HAPPY 2026 EVERYONE!!!!

24/12/2025

Merry Christmas Everyone!!!

Address

52 B, Ettompolawatta Road
Wattala
11300

Opening Hours

Monday	08:00 - 17:00
Tuesday	08:00 - 17:00
Wednesday	08:00 - 17:00
Thursday	08:00 - 17:00
Friday	08:00 - 17:00

Website

http://masteryengineering.com/

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