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Shaanxi Tianhong Silicon Material Co., Ltdheld a ceremony on August 6th for the suc-cessfully trial run of its 1 250 t/a micro-electronic-grade polysilicon line. The sameday, the company started construction ona new 2 500 t/a microelectronic-grade
Shaanxi Tianhong Silicon Material Co., Ltdheld a ceremony on August 6th for the suc-cessfully trial run of its 1 250 t / a micro-electronic-grade polysilicon line. The sameday, the company started construction ona new 2 500 t / a microelectronic -grade