Pa Disembala 20, nthambi ya Silicon Viwanda ya China Nonferrous Metals Industry Association idatulutsa mtengo waposachedwa kwambiri wa polysilicon ya solar-grade. Mlungu watha: Mtengo wamtengo wapatali wa zipangizo zamtundu wa N unali 65,000-70,000 yuan/ton, ndi avareji ya 67,800 yuan/ton, kutsika kwa sabata pa sabata...
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