Iji mezue usoro nkwakọ ngwaahịa, Yicai bamboo rụpụtara nkwakọ osisi ntọala ntọala.Ihe a bụ sistemu enwere ike imegharị dịka anyị na-eme mgbe niile.N'èzí na achara - ihe na-emepụta ihe na-emepụta ihe, Cap na 100% bamboo, base rute 98% bamboo, naanị na mgbakọ silicon mgbanaka (enweghị gluu) iji kwado refillable.Mmechi na-eme mkpọtụ.Ime n'ime usoro PP nke na-agbaso ụkpụrụ Cosmos.Asambodo FSC, njikwa ogo ISO maka njikwa ogo dị elu.
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