What PT. Hariff Daya Tunggal Engineering does

PT Hariff Daya Tunggal Engineering is an Indonesian engineering and systems integration company founded in 1982 and headquartered in Bandung, West Java. Originally focused on telecommunications product development and integration services, the company introduced power systems into its portfolio in 1994, which subsequently became its largest revenue contributor. It now operates three solution lines: Power Solutions (rectifier and power conversion systems, renewable and hybrid energy systems, UPS and backup systems, and lithium-based energy storage with intelligent battery management); IoT Solutions (visitor management, smart security and access control, smart meeting rooms, integrated building management, and vertical applications such as smart agriculture, smart mining, and smart power monitoring, unified under an AIoT platform); and Services (end-to-end engineering, repair and maintenance, and contract electronics manufacturing under the "Makloon" brand).

The company serves primarily telecommunications operators and tower companies — including Telkomsel, Indosat, XL Axiata, Tower Bersama Group, and Palapa Timur Telematika — alongside industrial enterprises and commercial building operators across Indonesia. Its go-to-market is direct enterprise field sales, supported by a national footprint spanning 13 regions, 6 area offices, and warehouse locations. The company holds ISO 9001 certification from TÜV NORD and maintains technology partnerships with Huawei and ZTE for telecom equipment integration. Revenue is generated through one-time hardware and equipment sales, hardware-led IoT deployments, professional engineering and maintenance services, and contract electronics manufacturing.

Underlying technology rests on power conversion engineering, lithium battery management systems built for grid instability, and an AIoT platform that integrates people, security, facilities, and operations data in real time. Pricing is not publicly disclosed and is handled per engagement via direct sales contact.

Name

PT. Hariff Daya Tunggal Engineering

Legal name

PT Hariff Daya Tunggal Engineering

Website

https://hariff.co.id

Company type

Private

Founded year

1982

Operating status

Operating

Headcount range

251–500 employees

Short description

PT Hariff Daya Tunggal Engineering, founded in 1982 and headquartered in Bandung, Indonesia, designs power systems, energy storage, AIoT-enabled building monitoring, and contract electronics manufacturing for telecom operators, tower companies, industrial enterprises, and commercial facilities across Indonesia.

Ownership category

akta.pro rank

Product category

Power Systems and Energy Infrastructure

NAICS

Electrical Equipment, Appliance, and Component Manufacturing (335)

SIC

Miscellaneous Electrical Machinery, Equipment & Supplies (3690), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Power Electronics & Grid-Tie Equipment Manufacturing (Converters, Transformers, Switchgear) (EUAMAHAH)

akta.pro secondary industries

Energy Storage Components for Renewables Manufacturing (BESS Packs, PCS, Thermal Management) (EUAMAHAI), Renewable Monitoring, Controls & SCADA Hardware Manufacturing (Sensors, RTUs, Meters) (EUAMAHAJ), Backup Power & Critical Power Systems (Generators/UPS) (IMAIABAJ), O&M, Upgrades & Refurbishment of T&D Assets (Reconductoring, Rebuilds) (IMAFAHAM)

Keywords

• Power conversion systems
• Energy storage solutions
• Telecom power infrastructure
• AIoT building management
• Engineering services

Headquarters

HQ city

Bandung

HQ country

Indonesia

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Power Systems & Equipment Sales: Sale of rectifier systems, power conversion equipment, UPS systems, energy storage solutions, and renewable energy systems for telecommunications, industrial, and infrastructure applications. Power systems have been the largest revenue contributor since 1994.
2. IoT Solutions & Systems: Integrated IoT solutions including visitor management systems, smart security, access control, and building management systems for commercial and industrial facilities.
3. Engineering Services: End-to-end engineering, repair, maintenance, and long-term system support services across telecommunications, infrastructure, and industrial environments.
4. Electronics Manufacturing (Makloon): Precision electronics manufacturing services for industrial and infrastructure applications, supported by certified facilities and modern production technology.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

PT Hariff Daya Tunggal Engineering designs, manufactures, and deploys integrated power systems (rectifiers, UPS, lithium battery storage, renewable/hybrid energy) and AIoT-enabled smart infrastructure solutions (visitor management, smart security, integrated building management) for telecommunications operators, industrial enterprises, and infrastructure stakeholders in Indonesia. The company also provides end-to-end engineering, repair, maintenance, and contract electronics manufacturing (Makloon) services, with power systems having been the largest revenue contributor since 1994.

Product overview

PT Hariff Daya Tunggal Engineering offers an integrated portfolio of three core solution lines: Power Solutions, IoT Solutions, and Services. Power Solutions include Rectifier & Power Conversion Systems, Renewable & Hybrid Energy Solutions, Power Stability & Backup Systems (UPS), and Energy Storage & Battery Systems with lithium technology and intelligent battery management. IoT Solutions encompass visitor management systems (Smart Kiosk, Visitor Management Software, Integrated Visitor Tracking), security systems (Smart Security, CCTV & Access Control), building management (Smart Meeting Room, Integrated Building Management), and vertical applications (Smart Agriculture, Smart Mining, Smart Power Monitoring), all unified under an AIoT platform for real-time infrastructure intelligence. Services provide end-to-end engineering support including Repair & Maintenance Services and Electronics Manufacturing (Makloon/contract manufacturing). The company was established in 1982 and serves telecommunications, energy, and industrial infrastructure sectors across Indonesia with headquarters in Bandung.

Differentiator

Problem solved

Functional benefit

Products and services

• Rectifier & Power Conversion Systems High-efficiency power systems engineered for telecom base stations, industrial operations, and data environments.
• Renewable & Hybrid Energy Solutions Integrated solar, hybrid, and off-grid energy systems built to power infrastructure in both urban and remote locations.
• Power Stability & Backup Systems
• Energy Storage & Battery Systems
• Smart Security, CCTV & Access Control
• Smart Office Solution (Visitor Management, Smart Kiosk, Smart Meeting Room)
• Integrated Building Management Platform
• Repair & Maintenance Services
• Electronics Manufacturing (Makloon)

Quantifiable outcome

• Continuous operation during grid instability through advanced lithium battery technology and intelligent battery management systems

Named customers5 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Seven partnerships are on record, tiered core.

• HuaweicoreTechnology or IntegrationTechnology partnership with Huawei for telecommunications infrastructure solutions, including power systems and related equipment integration.
• ZTEcoreTechnology or IntegrationTechnology partnership with ZTE for telecommunications infrastructure solutions and equipment integration.
• TelkomselcoreStrategic or Co-development PartnerLong-term partnership with Telkomsel providing power systems, energy storage, and infrastructure solutions for telecommunications network.
• IndosatcoreStrategic or Co-development PartnerPartnership providing power conversion and energy solutions for Indosat telecommunications infrastructure.
• XL AxiatacoreStrategic or Co-development PartnerPartnership providing power systems and monitoring solutions for XL Axiata's telecommunications network.
• Tower Bersama GroupcoreStrategic or Co-development PartnerStrategic partnership providing power solutions and energy storage for tower infrastructure across Indonesia.
• Palapa Timur TelematikacoreStrategic or Co-development PartnerPartnership for telecommunications infrastructure solutions and network support.

Scale indicators3 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Vertiv: Vertiv is a global leader in critical digital infrastructure including UPS, power conversion, thermal, and IT management for telecom and data centers. It is a direct comparable to Hariff in rectifier/UPS/energy storage solutions for telecom base stations and is the closest international analog to Hariff's core product line.
• Delta Electronics: Delta Electronics is a major manufacturer of power electronics, telecom power systems, and energy storage with a strong presence across Asia. Its telecom power and industrial power solutions are directly comparable to Hariff's rectifier, UPS, and energy storage product lines.
• Alpha Technologies (EnerSys): Alpha Technologies, an EnerSys company, specializes in powering, protecting, and monitoring cable, broadband, and telecom networks globally. Its focus on outside-plant power systems for telecom is closely analogous to Hariff's base-station and tower power business.
• Eaton: Eaton's Electrical Americas and Industrial segments manufacture UPS, power conversion, and energy storage equipment serving telecom, industrial, and data center customers worldwide. Its product portfolio and customer base substantially overlap Hariff's rectifier, UPS, and BMS offerings.

Broad incumbents

• ABB: ABB manufactures power electronics, switchgear, transformers, and energy storage systems for utility, industrial, and telecom customers globally. Its power conversion and grid-tie equipment portfolio overlaps directly with Hariff's rectifier and power stability lines.
• Schneider Electric: Schneider Electric operates a broad Energy Management portfolio including UPS, power conversion, and building management systems that directly overlap Hariff's power and AIoT/building management lines. As a global incumbent with deep R&D resources, it competes on the same enterprise tenders across Southeast Asia.

Regional players

• PT Industri Telekomunikasi Indonesia (INTI): PT INTI is an Indonesian state-owned manufacturer of telecommunications equipment, including power and infrastructure systems for carriers. It serves the same Indonesian telecom operators and tower companies as Hariff and is the most direct domestic peer for national-scale telecom power deployments.
• PT Len Industri (Persero): PT Len Industri is an Indonesian state-owned electronics manufacturer serving telecommunications, transportation, and defense with power, signaling, and energy systems. It is a regional Indonesian peer competing for the same telecom and infrastructure power contracts Hariff pursues.

Emerging players

• ZTE Energy: ZTE provides telecom equipment including its own power and energy solutions to Indonesian operators, positioning it as a peer competitor in telecom power infrastructure. Like Huawei, ZTE partners with Hariff on some deployments while also offering competing turnkey solutions.
• Huawei Network Energy: Huawei's Network Energy business sells its own telecom power, energy storage, and site solutions to Indonesian carriers, making it both a partner and a competitor to Hariff. The overlap is direct at the system level even though Huawei operates at much larger scale.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/pt-hariff-daya-tunggal-engineering

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about PT. Hariff Daya Tunggal Engineering