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Monday 08:30 - 17:30 Tuesday 08:30 - 17:30 Wednesday 08:30 - 17:30 Thursday 08:30 - 17:30 Friday 08:30 - 17:30

Optimal Systems Engineering

Name: Optimal Systems Engineering
Address: No. 35A (Tingkat 1) Jalan Flora 1/9, Taman Pulai Flora, Skudai Darul Takzim, Johor Bahru, 81300, MY
Telephone: +6075704842
Price range: $$

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Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Optimal Systems Engineering, Consulting Agency, No. 35A (Tingkat 1) Jalan Flora 1/9, Taman Pulai Flora, Skudai Darul Takzim, Johor Bahru.

At OPTIMISE, we provide consultancy services, conduct professional training and develop cutting-edge process integration and smart systems engineering technologies and solutions. For over three decades, we have engaged and provided services to over 500 national, and international organisations in advancing our mission to create sustainable societies; in our roles as developer of innovative solutio

ns, products and programs; certified professional practitioners and coaches, champions of education and social activists spreading public awareness on energy and resource conservation. OPTIMISE people consist of certified professional practitioners and leading global experts and pioneers in the development and advancement of Process Systems Engineering (PSE), Process Integration Pinch Analysis technologies and solutions that promote industrial symbiosis and organisational synergy.

16/04/2026

𝗠𝗮𝗹𝗮𝘆𝘀𝗶𝗮 𝘁𝗼 𝗣𝘂𝗿𝘀𝘂𝗲 𝗘𝗻𝗲𝗿𝗴𝘆 𝗟𝗮𝗯𝗲𝗹𝗹𝗶𝗻𝗴 𝗳𝗼𝗿 𝗗𝗮𝘁𝗮 𝗖𝗲𝗻𝘁𝗿𝗲𝘀 𝘂𝗻𝗱𝗲𝗿 𝗘𝗘𝗖𝗔 𝟮𝟬𝟮𝟰

The Energy Commission (Suruhanjaya Tenaga) convened a 𝗞𝗶𝗰𝗸-𝗢𝗳𝗳 𝗠𝗲𝗲𝘁𝗶𝗻𝗴 𝗼𝗳 𝘁𝗵𝗲 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝗚𝗿𝗼𝘂𝗽 𝗼𝗻 𝗗𝗮𝘁𝗮 𝗖𝗲𝗻𝘁𝗿𝗲 𝗘𝗻𝗲𝗿𝗴𝘆 𝗘𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆 𝗟𝗮𝗯𝗲𝗹𝗹𝗶𝗻𝗴, bringing together policymakers, regulators, industry leaders, and technical experts to collaboratively shape a robust, sector-specific framework.

As one of the fastest-growing and most energy-intensive sectors, data centres are now firmly on the national agenda. This initiative builds on Malaysia’s earlier step of introducing energy labelling for office buildings, positioning data centres as the next critical asset class in advancing transparent energy performance standards and regulatory oversight.

15/04/2026

Another successful milestone for OPTIMISE! 🎉⚡

We are proud to have successfully completed our REM Type 2 Workshop and ITEA Workshop in Cyberjaya.

Over the course of the programme, participants from multiple industries gained practical exposure in:
✔️ Energy management strategies
✔️ Thermal system audits
✔️ Cost-saving opportunities
✔️ Sustainability and compliance readiness

It was inspiring to see professionals from engineering, manufacturing, utilities, healthcare, and more come together to strengthen industry capabilities in energy efficiency.

Thank you to all participants for making this programme a success.

Interested to upskill in energy management?

📅 20 – 24 April 2026
📍 Hyatt Place Johor Bahru

Join our upcoming REM Type 1 Workshop and strengthen your professional expertise with expert-led training.

🔗 Register here: https://l1nq.com/46rflga

15/04/2026

🌟 Internship Opportunities at OPTIMAL SYSTEMS ENGINEERING SDN BHD! 🌟

Looking to gain valuable experience and skills? Join us for an exciting internship in the following areas:

🔹 Chemical Engineering Intern
🔹 Management and Marketing Intern
🔹 Admin, HR and Accounting Intern

Internship Details:
💰 Monthly allowance
🗓 Monday to Friday (weekends off)
⏰ 8:30 a.m. - 5:30 p.m.
📍 Location: Taman Universiti, Skudai, Johor

Interested? Apply now!
👉 https://forms.office.com/r/9RMddjp3E9

14/04/2026

🚨 April Intake Now Open | Limited Seats 🚨

Join our 5-Day REM Type 1 Workshop at Hyatt Place Johor Bahru from 20 – 24 April 2026. Perfect for facility managers, engineers, and energy professionals preparing for REM Type 1 certification under EECA 2024.

📍 Hyatt Place Johor Bahru
📆 20 – 24 April 2026
⏰ 9.00 AM – 5.00 PM

💯 This HRDC-claimable program combines theory + hands-on practice to prepare you for REM Type 1 certification and strengthen your organisation’s energy compliance & performance.

⚡Register now before seats fill up.

11/02/2026

⚡️ 𝗙𝗿𝗼𝗺 𝗘𝗘𝗖𝗔 𝟮𝟬𝟮𝟰 𝘁𝗼 𝗔𝗰𝘁𝗶𝗼𝗻: 𝗘𝗻𝗲𝗿𝗴𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗦𝘆𝘀𝘁𝗲𝗺 (𝗘𝗻𝗠𝗦) — 𝗢𝗻𝗹𝗶𝗻𝗲 𝗪𝗼𝗿𝗸𝘀𝗵𝗼𝗽 (𝟴 𝗖𝗗𝗣)

If you’re responsible for energy performance, facilities, or ESG outcomes, this one-day online workshop helps you move from requirements to implementation—guided by the Energy Commission Malaysia EnMS Guideline (GP/ST/No.46/2024) and aligned with EECA 2024.

📅 𝟮𝟴 𝗔𝗽𝗿𝗶𝗹 𝟮𝟬𝟮𝟲 (𝗧𝘂𝗲)
⏰ 𝟵:𝟬𝟬 𝗔𝗠 – 𝟱:𝟬𝟬 𝗣𝗠 (MYT, UTC+8)
💻 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 𝗧𝗲𝗮𝗺𝘀
🎓 𝟴 𝗖𝗗𝗣 𝗛𝗼𝘂𝗿𝘀 (𝗢𝗽𝘁𝗶𝗼𝗻𝗮𝗹 𝗖𝗗𝗣)
💰 𝗥𝗠𝟵𝟬𝟬 (exclusive of SST)

𝗬𝗼𝘂’𝗹𝗹 𝗹𝗲𝗮𝗿𝗻 𝗵𝗼𝘄 𝘁𝗼:
✔️ Translate EECA 2024 requirements into practical EnMS actions
✔️ Identify energy gaps and prioritise interventions with confidence
✔️ Build organisational readiness to implement—and sustain—an EnMS
✔️ Apply proven templates and tools in your organisation immediately

⏳ Limited seats—secure your place today.

10/02/2026

⚡️ 𝗕𝗼𝗼𝘀𝘁 𝗬𝗼𝘂𝗿 𝗢𝗿𝗴𝗮𝗻𝗶𝘇𝗮𝘁𝗶𝗼𝗻’𝘀 𝗘𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆 — 𝗧𝗵𝗲𝗿𝗺𝗮𝗹 𝗘𝗻𝗲𝗿𝗴𝘆 𝗔𝘂𝗱𝗶𝘁

We’re inviting operations leaders, energy engineers & sustainability managers to a 3-Day deep-dive on real-world thermal system optimisation.

What you’ll master:

✔️ End-to-end audits for process & utilities
✔️ Energy balances + Sankey diagrams for airtight accounting
✔️ A reusable macro & technical audit playbook
✔️ Savings opportunities in boilers, steam/CHP, reactors, ovens, dryers, tanks, separators & heat exchangers

📅 𝟳 - 𝟵 𝗔𝗽𝗿𝗶𝗹 𝟮𝟬𝟮𝟲 | ⏰ 𝟴:𝟯𝟬𝗮𝗺–𝟱:𝟯𝟬𝗽𝗺 (𝗠𝗬𝗧)
📍 𝗖𝘆𝗯𝗲𝗿𝘃𝗶𝗲𝘄 𝗥𝗲𝘀𝗼𝗿𝘁 & 𝗦𝗽𝗮, 𝗖𝘆𝗯𝗲𝗿𝗷𝗮𝘆𝗮
🎓 𝟮𝟰 𝗖𝗗𝗣 𝗵𝗼𝘂𝗿𝘀 (Mandatory Topic for REM Type 2)
💰 𝗥𝗠𝟰,𝟴𝟬𝟬 per pax (excl. SST) | ✅ HRD Corp Claimable
⏰ 𝗟𝗶𝗺𝗶𝘁𝗲𝗱 𝘀𝗲𝗮𝘁𝘀 — secure your spot and start delivering measurable energy & carbon cuts.

10/02/2026

⚡️ 𝗠𝗮𝘀𝘁𝗲𝗿 𝘁𝗵𝗲 𝗘𝗻𝗲𝗿𝗴𝘆 𝗘𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆 & 𝗖𝗼𝗻𝘀𝗲𝗿𝘃𝗮𝘁𝗶𝗼𝗻 𝗔𝗰𝘁 (𝗘𝗘𝗖𝗔) — 𝗢𝗻𝗹𝗶𝗻𝗲 𝗪𝗼𝗿𝗸𝘀𝗵𝗼𝗽 (𝟴 𝗖𝗗𝗣)

We invite energy professionals, facility managers, and sustainability leaders to a focused one-day workshop that translates the EECA into clear actions—requirements, impacts, and an 8-step readiness framework for your organisation.

📅 𝟭𝟳 𝗠𝗮𝗿𝗰𝗵 𝟮𝟬𝟮𝟲 (𝗧𝘂𝗲)
⏰ 𝟵:𝟬𝟬 𝗔𝗠 – 𝟱:𝟬𝟬 𝗣𝗠 𝗠𝗬𝗧
💻 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 𝗧𝗲𝗮𝗺𝘀 (𝗢𝗻𝗹𝗶𝗻𝗲)
🎓 𝟴 𝗖𝗗𝗣 (mandatory by the Energy Commission)
💼 Fees (incl. SST): 𝗥𝗠𝟰𝟬𝟬 (Professionals) | 𝗥𝗠𝟴𝟬 (Students)

✔️A clear understanding of the EECA, its regulations, guidelines, and practical implications for businesses.
✔️Clarity on compliance requirements for industry and buildings, including the REM pathway and the route to becoming a Registered Energy Auditor (REA).
✔️A structured eight-step preparation plan to get your organisation ready for EECA compliance.

⏰ 𝗦𝗲𝗮𝘁𝘀 𝗮𝗿𝗲 𝗹𝗶𝗺𝗶𝘁𝗲𝗱—secure your place today.

06/02/2026

🔋 𝗡𝗮𝘁𝗶𝗼𝗻𝘄𝗶𝗱𝗲 𝗘𝗘𝗖𝗔 & 𝗘𝗻𝗠𝗦 𝗖𝗮𝗽𝗮𝗰𝗶𝘁𝘆 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴

Optimal Systems Engineering recently completed a nationwide tour of duty across the North, South, East and (Central) West of Malaysia, delivering in-house EECA and EnMS capacity building workshops and preliminary energy audit engagements for leading organisations including 𝗜𝗢𝗜 𝗚𝗿𝗼𝘂𝗽 (𝗣𝗲𝗻𝗮𝗻𝗴), 𝗝𝗼𝗵𝗼𝗿 𝗣𝗹𝗮𝗻𝘁𝗮𝘁𝗶𝗼𝗻 𝗚𝗿𝗼𝘂𝗽, 𝗣𝗿𝗼𝘁𝗼𝗻, 𝗛𝗮𝗿𝘁𝗮𝗹𝗲𝗴𝗮, 𝗖𝗖𝗠 𝗚𝗿𝗼𝘂𝗽 𝗮𝗻𝗱 𝗣𝗘𝗧𝗥𝗢𝗡𝗔𝗦 (𝗣𝗣𝗧𝗦𝗕-𝗣𝗜𝗖𝗔𝗥𝗢).

⚙️ 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗰𝗼𝗽𝗲 & 𝗞𝗲𝘆 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝗮𝗯𝗹𝗲𝘀

🔹 𝗘𝗘𝗖𝗔 𝗜𝗻-𝗛𝗼𝘂𝘀𝗲 𝗖𝗮𝗽𝗮𝗰𝗶𝘁𝘆 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴
Structured workshops inclusively engaged company management, energy managers, and technical energy teams, strengthening organisational understanding of roles, responsibilities, and governance requirements under the Energy Efficiency and Conservation Act (EECA).

🔹 𝗘𝗘𝗖𝗔 𝗖𝗼𝗺𝗽𝗹𝗶𝗮𝗻𝗰𝗲 𝗣𝗹𝗮𝗻𝗻𝗶𝗻𝗴 & 𝗘𝗻𝗠𝗦 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
Targeted technical capacity building covering:
• Establishment and enhancement of Energy Management Systems (EnMS)
• Alignment with ISO 50001 principles and requirements
• Practical implementation of ST (Energy Commission) guidelines
• Development of compliance roadmaps, energy policies, objectives, and Energy Performance Indicators (EnPIs)

🔹𝗘𝗻𝗲𝗿𝗴𝘆 𝗘𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆 𝗮𝗻𝗱 𝗖𝗼𝗻𝘀𝗲𝗿𝘃𝗮𝘁𝗶𝗼𝗻 𝗖𝗮𝗽𝗮𝗰𝗶𝘁𝘆 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴
Hands-on technical focus on:
• Monitoring, Measurement & Verification (MMV) frameworks
• Energy baseline development and performance tracking
• Identification and evaluation of Energy Conservation Measures (ECMs)
• Coverage of both thermal systems and electrical energy systems

📊 𝗞𝗲𝘆 𝗢𝘂𝘁𝗰𝗼𝗺𝗲𝘀
✔ Enhanced readiness for EECA regulatory compliance
✔ Strengthened internal technical and audit capability
✔ Improved integration between management strategy and operational ex*****on
✔ Foundation for sustained, data-driven energy performance improvement

🚀 𝗖𝗮𝗹𝗹 𝘁𝗼 𝗔𝗰𝘁𝗶𝗼𝗻
EECA compliance requires early planning, strong internal capability, and a structured systems engineering approach.

📢 Partner with Optimise to develop your EECA compliance and EnMS roadmap, build MMV and audit capability, and convert regulatory requirements into measurable energy and cost savings.

Note of Appreciation: Many thanks to Prof Ir Ts Dr Zainuddin Manan, Prof Ir Ts Dr Sharifah Rafidah Wan Alwi and Associate Prof Ir Dr Jeng Shiun Lim and our industrial partners for their role in making the partnership, a success.

04/02/2026

𝗘𝗘𝗖𝗔 𝗳𝗼𝗿 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆 — 𝗙𝗿𝗼𝗺 𝗖𝗼𝗺𝗽𝗹𝗶𝗮𝗻𝗰𝗲 𝘁𝗼 𝗠𝗲𝗮𝘀𝘂𝗿𝗮𝗯𝗹𝗲 𝗦𝗮𝘃𝗶𝗻𝗴𝘀 ✅

We’ve successfully delivered an In-House Workshop on EECA Awareness and Energy Efficiency Improvement for Industry for Hartalega NGC Sdn Bhd, with 31 participants from operations and maintenance teams.

Participants strengthened their capability to:
• Determine the applicability of relevant EECA elements to their context
• Communicate EECA key requirements and business impacts
• Plan and prepare actions required for EECA compliance
• Analyse and maximise heat recovery opportunities and efficiency retrofits
• Perform regression analysis to correlate key variables against energy
• Evaluate retrofit savings using the Cumulative Sum (CUSUM) approach

The workshop also featured a highly engaging, real-time Q&A with our expert speakers:
Prof. Ir. Ts. Dr. Zainuddin Manan and Assoc. Prof. Ir. Dr. Jeng Shiun Lim, bringing practical insights through real workplace scenarios and best practices.

📩 Interested to learn more about EECA? Join our next public session:
Understanding EECA and Its Impact on Organisations
🗓 17 March 2026 | 💻 Online via Microsoft Teams

04/02/2026

𝗘𝗘𝗖𝗔 𝟮𝟬𝟮𝟰 𝗥𝗲𝗮𝗱𝗶𝗻𝗲𝘀𝘀 𝗶𝗻 𝗔𝗰𝘁𝗶𝗼𝗻 — 𝗪𝗼𝗿𝗸𝘀𝗵𝗼𝗽 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲𝗱 ✅

We’ve successfully delivered our In-House Workshop, “𝗨𝗻𝗱𝗲𝗿𝘀𝘁𝗮𝗻𝗱𝗶𝗻𝗴 𝗘𝗻𝗲𝗿𝗴𝘆 𝗘𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆 𝗖𝗼𝗻𝘀𝗲𝗿𝘃𝗮𝘁𝗶𝗼𝗻 𝗔𝗰𝘁 (𝗘𝗘𝗖𝗔) 𝗮𝗻𝗱 𝗜𝘁𝘀 𝗜𝗺𝗽𝗮𝗰𝘁 𝗼𝗻 𝗢𝗿𝗴𝗮𝗻𝗶𝘀𝗮𝘁𝗶𝗼𝗻𝘀” for PETRONAS Penapisan (Terengganu) Sdn Bhd on 29 January 2026.

With 32 participants—including the CEO, senior leadership, executives and staff—the session focused on what organisations must do now as EECA 2024 enforcement approaches.

Participants gained clarity on:
• Key provisions of EECA 2024 and business implications
• Regulations and guidance for energy consumers & building owners
• The compliance timeline and 7 essential preparation steps
• Penalties for non-compliance and risk exposure
• Requirements for Registered Energy Managers (REMs) and Registered Energy Auditors (REAs)

The workshop also featured a highly engaging, real-time Q&A with our expert speakers:
Prof. Ir. Ts. Dr. Zainuddin Manan and Assoc. Prof. Ir. Dr. Jeng Shiun Lim, bringing practical insights through real workplace scenarios and best practices.

Added benefit: Participants earned 8 Mandatory CPD hours (Energy Commission-accredited)—supporting REM and energy professional requirements.

Interested to join our next session?
Register for “Understanding EECA and Its Impact on Organisations”:
17 March 2026 | Online via Microsoft Teams
https://shorturl.at/f4Kdv

14/01/2026

⚡️ 𝗥𝗘𝗠 𝗧𝘆𝗽𝗲 𝟭 — 𝗡𝗼𝗿𝘁𝗵𝗲𝗿𝗻 𝗥𝗲𝗴𝗶𝗼𝗻 𝗦𝗲𝘀𝘀𝗶𝗼𝗻 (𝗣𝗲𝗻𝗮𝗻𝗴)

Calling all energy professionals, facility managers & sustainability leaders in the Northern Region — join our 𝟱-𝗱𝗮𝘆 𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿𝗲𝗱 𝗘𝗻𝗲𝗿𝗴𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗿 (𝗥𝗘𝗠) 𝗧𝘆𝗽𝗲 𝟭 Workshop, aligned with EECA 2024.

This HRDC-claimable program combines theory + hands-on practice to prepare you for REM Type 1 certification and strengthen your organisation’s energy compliance & performance.

📅 𝟭𝟯–𝟭𝟳 𝗔𝗽𝗿 𝟮𝟬𝟮𝟲 | 𝗛𝗼𝘁𝗲𝗹 𝗶𝗻 𝗣𝗲𝗻𝗮𝗻𝗴 (Northern Region)
💰 𝗥𝗠𝟰,𝟴𝟲𝟬/pax (Normal) | 𝗥𝗠𝟰,𝟳𝟲𝟬/pax (Early bird / Group of 3) *𝘦𝘹𝘤𝘭. 8% 𝘚𝘚𝘛
🔗 𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿: https://optimalsystems.my/training/registered-energy-manager-rem-type-1/

⏰ 𝗦𝗲𝗮𝘁𝘀 𝗮𝗿𝗲 𝗹𝗶𝗺𝗶𝘁𝗲𝗱 𝘁𝗼 𝟮𝟬 𝗽𝗲𝗼𝗽𝗹𝗲 𝗼𝗻𝗹𝘆! — secure your slot.

29/12/2025

⚡️ 𝗠𝗮𝘀𝘁𝗲𝗿 𝗜𝗦𝗢 𝟱𝟬𝟬𝟬𝟭:𝟮𝟬𝟭𝟴 — 𝗘𝘀𝘁𝗮𝗯𝗹𝗶𝘀𝗵 𝗮𝗻 𝗘𝗻𝗲𝗿𝗴𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗦𝘆𝘀𝘁𝗲𝗺 (𝗘𝗻𝗠𝗦) 𝗳𝗼𝗿 𝗘𝗘𝗖𝗔 𝟮𝟬𝟮𝟰 𝗖𝗼𝗺𝗽𝗹𝗶𝗮𝗻𝗰𝗲

We’re inviting energy professionals, engineers, facility managers, and sustainability leaders to join our 2-Day Online Workshop on:

𝗖𝗼𝗻𝗰𝗲𝗽𝘁 𝗮𝗻𝗱 𝗣𝗿𝗼𝗰𝗲𝗱𝘂𝗿𝗲 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗘𝘀𝘁𝗮𝗯𝗹𝗶𝘀𝗵𝗺𝗲𝗻𝘁 𝗼𝗳 𝗮𝗻
✅ 𝗘𝗻𝗲𝗿𝗴𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗦𝘆𝘀𝘁𝗲𝗺 (𝗘𝗻𝗠𝗦)
based on 𝗜𝗦𝗢 𝟱𝟬𝟬𝟬𝟭:𝟮𝟬𝟭𝟴
🎓 16 Mandatory CDP Hours

This practical workshop is designed to help organisations establish, implement, monitor, and maintain an EnMS that supports statutory obligations under EECA 2024, while delivering real performance outcomes—lower energy consumption, reduced operating costs, and minimised GHG emissions.

📅 𝗗𝗮𝘁𝗲 & 𝗧𝗶𝗺𝗲
🗓 14 – 15 January 2026 (Wed–Thu)
🕘 9:00AM – 5:00PM (MYT | UTC +8)
💻 Online via Microsoft Teams
💰 𝗙𝗲𝗲
RM 2,700 per pax (exclusive of SST)
✅ HRD Corp Claimable

🚀 𝗦𝗲𝗮𝘁𝘀 𝗮𝗿𝗲 𝗹𝗶𝗺𝗶𝘁𝗲𝗱 — secure your slot and strengthen your organisation’s readiness for ISO 50001 implementation and EECA compliance in 2026.

Address

No. 35A (Tingkat 1) Jalan Flora 1/9, Taman Pulai Flora, Skudai Darul Takzim
Johor Bahru
81300

Opening Hours

Monday	08:30 - 17:30
Tuesday	08:30 - 17:30
Wednesday	08:30 - 17:30
Thursday	08:30 - 17:30
Friday	08:30 - 17:30

Telephone

+6075704842

Website

https://optimalsystems.my/

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