G.S. Energy Co.,Ltd.

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Welcome to G.S. Energy Co.,Ltd.
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Company Profile


G.S.Energy is the largest producer of silicon metal and the only producer of refined silicon in Thailand. It has been approved by the Board of Investment of Thailand (BOI), certificate No. 1588(2)/2551.Our customers include major silicone chemical, aluminum and steel manufacturers, producers of photovoltaic solar cells and computer chips, and concrete additive.

We have major manufacturing facilities in Ratchaburi,Thailand, with 6 sets of 3-phase 12,600 KVA electric furnaces for an average of 45,000 ton production capacity per annum. G.S group owns two quarries located 150km away from Ratchaburi with high purity silicon quartz and approximate 13 million tons quartz reserved. The enriched high purity quartz with local high grade charcoal , petroleum from CPC and the well developed knowhow technique from China silicon metal industry, these had become the greatest advantages on silicon metal production by G.S.Energy.

We have a network of sales offices covering the most important markets in Europe, Americas and Asia. The business unit's management is located at G.S Energy head office in Thailand. Our principal operating subsidiaries include G.S.Energy Co.,Ltd – Production of silicon metal, Supyakorn inter Group Co., Ltd – Quartz exploitation & Fu Thai Fong Mining Co.,Ltd - Gem and quartz ore exploitation.


Corporate Structure



G.S. Energy Co., Ltd. is a subsidiary of Great Silicon Group (Cayman). Under the group we have Supyakorn Inter Group Co., Ltd which owns the Quartz mine where the GS sourcing from and Fu Thai Fong Mining Co.,Ltd which is the exploiter company.

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G.S. Energy will expand in the regional silicon metal market by using the highly qualified raw materials in Thailand and cooperate with the world famous applicators in the related industry in order to supply superior quality products to fulfill the needs of the global users.


To be the accountable leader of silicon metal in vertical integration to provide customers with added value and sustainable development.