Our Story

Siam Steel and Lucky Building System

Siam Steel International Public Company Limited, the listed company on the Stock Exchange of Thailand, was established since 1953 and is a part of Siam Steel Group which is a Thailand’s leading manufacturer of steel products. Lucky Building System is a business unit of Siam Steel International PCL developed since 1998 in order to support the continuous growth of factory built building products. “LBS” is specialized in all kinds of steel-structured prefabricated building system, especially in Modular building system, proving its highest standard in the international stage by exporting to several countries across the globe such as Japan, Australia, Dubai, Indonesia, India, as well as in Thailand. We offer a total one-stop-service project management from research, plan, design, manufacture, and installation. We are proud of our achievements in being one of the leading industrial groups in Thailand with a firm history of more than 6 decades and experiences to meet the needs of domestic and international markets.


Established Sri Chareon Store, a family enterprise, furniture manufacturing, with a registered capital of 6 million Baht


stablished Siam Steel Ltd., Part., a new plant was founded as a modern factory to manufacture steel furniture with highly efficient machinery and innovative technology


Established Sri Chareon Industries (1979) Company Limited


Proven its stability as being listed on the Stock Exchange of Thailand (SET)


Changed the company name to Siam Steel International Public Company Limited


Developed and started the launch¬ing of "LUCKY" Building System


Obtained 2005 Best Performance Award in the consumer products category from the Stock Exchange of Thailand


Awarded 2005 Asia's 200 Best Under A Billion by Forbes


Launched Prefabricated Bathroom Pods in Thailand (SET Awards 2006)


Obtained the Thailand Top Company Awards: Manufacturing 2018


Delivered more than 50,000 units of Pre-fabricated Building (up to Year 2018)

Delivered more than 15,000 units of Bathroom Pod (up to Year 2018)

Vision & Quality Policy


To be an organization gainingacceptance in manufacturing and development of highest quality prefabricated building system in order to revolutionize and improve the construction industries, creates a cleaner and greener environment, creating a better life and sustainable world.

Quality Policy

As a prefabricated building manufacturing leader in Thailand, we have attained ISO 9001 Quality Assurance Certificate, ISO 14001 Environment Management System Certificate, ISO 50001:2011 Energy Management Systems and TIS/OHSAS 18001 Occupational Health and Safety Management System Certificate. At the same time, we are a corporate leader who adopt the environmentally course of action and social care. We have been approved for CSR-DIW (Corporate Social Responsibility), Carbon Footprint for Organization and Green Industry Level 3 (Green System).

We also have been approved to use the “Green Label” and “Thailand Trust Mark” logo on our products as a reliable exporter and manufacturer.