Kuti mutsirize zolemba zopakira, Yicai bamboo amapangira zida za Foundation.Chinthuchi ndi machitidwe owonjezeredwa monga momwe timachitira nthawi zonse.Kunja munsungwi - zinthu zowola, Kapu mu 100% nsungwi, maziko amafika 98% nsungwi, kokha ndi mphete ya silicon (yopanda guluu) kuti ithandizire kuwonjezeredwa.Kutsekera kotsekera.Mkati mwa makina a PP omwe amagwirizana ndi zinthu za Cosmos.Chitsimikizo cha FSC, kasamalidwe kabwino ka ISO pakuwongolera kwapamwamba kwambiri.
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