Tokuyama Corporation (Japan)

Tokuyama (www. tokuyama. co. jp) had an annual production capacity of 9200 tons in 2010. In February 2011, the company broke ground for a new 20000 ton facility in Malaysia. The first phase, with 6200 metric ton capacity, started trial production in March 2013, and the second phase, with 13800 metric ton capacity, should be fully operational in 2015. For 2012, production of 7800 tons was estimated.

M. Setek Company Ltd. (Japan)

M. Setek is a subsidiary of Taiwan’s AU Optronics. The company is a manufac­turer of semiconductor equipment and monocrystalline silicon wafers. It has two plants in Japan (Sendai, Kouchi) and two in China (Hebei Lang Fang Songgong Semiconductor Co. Ltd. in Beijing, and Hebei Ningjin Songgong Semiconductor Co. Ltd. in Ningjin). In April 2007, polysilicon production started at the Soma Factory in Fukushima Prefecture. For 2012, a production capacity of 7000 metric tons was reported (Ikki, 2013b), and production was estimated at 5600 metric tons.

Kumgang Korea Chemical Company (South Korea)

Kumgang Korea Chemical Company (KCC) (www. kccworld. co. kr/eng) was estab­lished by a merger in 2000 of Kumgang and the Korea Chemical Company In February 2008, KCC announced its investment in the polysilicon industry and began to manufacture high-purity polysilicon with its own technology at the pilot plant of the Daejuk factory in July of the same year. It started to mass-produce polysilicon in 2010, with an annual capacity of 6000 tons, and increased this to 12100 metric tons in 2012 (Ikk 2013a). Production for 2012 is given at around 5400 metric tons.

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