About JOSUN

Instead of rushing to give answers, we accompany you to see the big picture and find the right direction for sustainable development.

JOSUN Sustainability Technology's "ESG Smart Energy Solution" embodies a forward-looking and comprehensive service strategy. The company is deeply engaged in the research, development, application, and provision of system solutions in integrated energy management, system integration, energy-saving control systems, and carbon reduction solutions.
It is committed to the seamless integration and system platform construction of multi-dimensional technologies and services such as AIoT IoT technology applications, energy management platforms, FMCS management platforms, and carbon management platforms, providing enterprises with one-stop consulting services such as energy conservation, carbon reduction, and ESG guidance, ensuring that clients pursue economic benefits while achieving harmonious development in environmental, social, and corporate governance aspects.

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[01]

Mission

We provide comprehensive, substantial energy-saving and carbon-reduction solutions, covering every stage from consulting services to implementation and certification, helping enterprises move forward steadily and faster on the path of low-carbon transformation.
[02]

Vision

To become the most influential ESG vertical solutions provider in the global manufacturing industry, working hand in hand with enterprises to create a green future through innovative AIoT technology and professional consulting.
[03]

values

Holistic

Empirical

Evolution

Impact

Guidance

We should first understand the overall system before providing solutions, rather than rushing to give answers.

Empirical insistence on first-hand field data and verifiable results, making ESG not just a formality but a fact.

AIAgent delivers a value closed loop, continuously optimized, enabling the system and the enterprise to grow together.

Practical and sustainable technology must be executed and transformed into tangible value for true innovation.

Guide calm thinking, quiet execution, and guide the way amid complexity.

Group CEO Profile

Group CEO | Hank Yang

Department of Energy and Refrigeration and Air Conditioning, National Taipei University of Technology

Executive Profile

Core Expertise

Energy-efficient MEP design, energy management, carbon management, ISO 14064-1, ISO 50001, and the GHG Protocol

Professional Affiliations

Specially appointed expert consultant at Suzhou ESG Industry Innovation Center
Chicony Power Technology (Suzhou) Co., Ltd. _ Sustainability Consultant
Vice President of Wujiang Foreign Enterprise Association
Director of the Wujiang Intelligent Manufacturing ESG Committee
Distinguished Lecturer at Peking University HSBC Business School

Current Roles

Group CEO of Josun Sustainable Technology Co., Ltd.
General Manager of Josun Sustainable Technology Co., Ltd.
General Manager of Suzhou Minghan Intelligent Building System Engineering Co.,Ltd.
General Manager of Josun Engineering (Thailand)Co., Ltd.
General Manager of Yuneng Sustainability Technology（Suzhou）Co.,Ltd.
General Manager of Jolyhi Tech Co., Ltd

500+

Global projects

JOSUN’s Global Low-Carbon
Footprint

Check out our case

JOSUN Milestones

1995
2001
2014
2015
2017
2023
2024
2025
2026

Established "Yuantai Engineering Consulting Co., Ltd." in Taipei.

We provide design consulting services for MEP and HVAC, central equipment rooms, energy management, and responsible commissioning, laying the group's professional foundation in MEP air conditioning and energy management.
I.S. Lin & Associates (iSLA) Shanghai was Founded

Providing design consulting services for MEP, HVAC, and low-voltage systems to Taiwanese businesses, foreign-invested enterprises, and Chinese-funded enterprises, establishing cross-regional engineering consulting capabilities.
Established "JOSUN Engineering Co., Ltd."

Mainly engaged in MEP, HVAC, and low-voltage engineering, TAB, measurement verification, and energy improvement services, strengthening engineering integration and on-site delivery capabilities.
Collaborated with Chicony Power Technology Co., Ltd. to develop the "IWA Smart Building Energy Management System"

Enhancing the objectivity, precision, system reliability, and sustainable management of building MEP and air conditioning systems in energy-saving improvement projects, and becoming the brand's agent in the Chinese and Thai markets.
Established "Josun Sustainable Technology Co., Ltd." and "Suzhou Minghan Intelligent Building System Engineering Co.,Ltd."

Expanding services for building energy management, MEP and HVAC design, TAB, measurement and verification, energy-saving renovation, and LEED and WELL green and healthy building decoration design and construction certification.
Established "JOSUN Engineering (Thailand) Co., Ltd."

Established in Thailand's Eastern Economic Corridor (EEC), providing low-carbon sustainability, smart buildings, MEP system integration, and energy management solutions, and exclusively representing the American ASI Automatic Control System.
Yuneng Sustainability Technology（Suzhou）Co.,Ltd. was established in Suzhou, China, alongside the establishment of JOLYHI TECH CO., LTD. in Bangkok, Thailand.

These milestones established the Group’s presence in sustainable technology, AI R&D, and localized services across Mainland China and ASEAN. In the same year, we partnered with Advantech to develop the iFMCS Energy Management Platform, integrating Industrial IoT, energy data management, intelligent monitoring, and energy-efficiency analytics for high-tech factories. Through ESG implementation, SBTi-aligned emissions-reduction targets, and sustainability strategies, we help clients achieve low-carbon transformation and digital upgrading while advancing smart facility management, energy optimization, low-carbon smart factories, and AI applications.Focusing on ESG implementation practices, the adoption of SBTi science‑based carbon reduction targets and corporate sustainable development strategies, we assist customers in advancing low‑carbon transition and digital upgrading, while deepening delivery capabilities for smart facility management systems, energy optimization, low‑carbon smart factories and AI‑enabled application scenarios.
Launched the establishment of the "AI Excellence Operations Center"

Promoting full-process AI collaboration and digital transformation, and jointly developing the new generation "Joly IPC Smart Air Handling Unit (AHU)" with "Yongzhao Intelligent and Gulin Computing Systems," upgrading air conditioning equipment to AI-native smart devices with intelligent control, energy-saving optimization, data connectivity, and AI collaboration capabilities.
Launched R&D of the self-developed product "JolyHi AI Platform"

Using the Joly FEM Platform as the data foundation, it integrates AI Agents, event centers, energy optimization, and co-pilot tools for engineers to help customers drive system diagnostics, energy-saving optimization, and intelligent operations upgrades. The original "JOSUN Engineering Co., Ltd." was officially renamed "Josun Sustainable Technology Co., Ltd.", completing a brand and strategic upgrade from an engineering service company to an AI low-carbon smart factory solution and sustainable technology platform enterprise.

1995
2001
2014
2015
2017
2023
2024
2025
2026

Honors and qualifications

We have obtained 21 authorized high-quality invention patents, hold over 30 trade secrets, and several patented technologies have been certified as internationally leading.

Invention patents

Ecosystem Collaboration · Customer Practice

Strategic cooperation

Customer service

Integrated Project Experience

Legal compliance