Mitsubishi Materials (www. mmc. co. jp) was created through the merger Mit­subishi Metal and Mitsubishi Mining & Cement in 1990. Polysilicon produc­tion is one of the activities in their Electronic Materials & Components business unit. The company has two production sites for polysilicon, one in Japan and one in the USA (Mitsubishi Polycrystalline Silicon America […]

Kumgang Korea Chemical Company (KCC) was established by a merger of Kumgang and the Korea Chemical Co. in 2000. 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. In […]

Tokuyama (www. tokuyama. co. jp/) is a chemical company involved in the manufacturing of solar-grade silicon, the base material for solar cells. The company is one of the world’s leading polysilicon manufacturers and produces roughly 16% of the global supply of electronics and solar grade silicon. According to the company, Tokuyama had an annual production […]

LDK (www. ldksolar. com/) was set up by the Liouxin Group, a company which manufactures personal protective equipment, power tools, and elevators. With the formation of LDK Solar, the company is diversifying into solar energy products. LDK Solar went public in May 2007. In 2008, the company announced the completion of the construction and the […]

REC’s (www. recgroup. com/) vision is to become the most cost-efficient solar energy company in the world, with a presence throughout the whole value chain. REC is presently pursuing an aggressive strategy to this end. Through its various group companies, REC is already involved in all major aspects of the PV value chain. The company […]

MEMC Electronic Materials Inc. (www. memc. com/) has its headquarters in St. Peters, Missouri. It started operations in 1959 and the company’s products are semiconductor-grade wafers, granular polysilicon, ultra-high purity silane, trichlorosilane (TCS), silicon tetraflouride (SiF4), sodium aluminium tetra – flouride (SAF). MEMC’s production capacity in 2008 was increased to 8,000 tons and to 9,000 […]

GCL-Poly (www. gcl-poly. com. hk) was founded in March 2006 and started the construction of their Xuzhou polysilicon plant (Jiangsu Zhongneng Pol­ysilicon Technology Development Co. Ltd.) in July 2006. Phase I has a designated annual production capacity of 1,500 tons, and the first shipments were made in October 2007. Full capacity was reached in March […]

OCI Company Ltd. (formerly DC Chemical) (www. oci. co. kr/) is a global chemical company with a product portfolio spanning the fields of inorganic chemicals, petro and coal chemicals, fine chemicals, and renewable energy materials. In 2006, the company started its polysilicon business and successfully completed its 6,500 metric ton P1 plant in December 2007. […]