FSC:Ningbo Yawen International Trading Co., Ltd yujuje ibisabwa na FSC mu bijyanye no kugura no kugurisha ibikoresho by'imbaho, imigano n'impapuro (FSC 100%, FSC ivanze, FSC yongeye gukoreshwa). Isuzuma ryakozwe rishingiye ku gipimo ngenderwaho: FSC-STD-40-004 v. 3.0 FSC Standard for Chain of Custody Certification.
GRS:Ningbo Yawen International Trading Co., Ltd yubahiriza amahame mpuzamahanga ya GRS Verisiyo ya 4.0 yagenzuwe na ECOCERT GREENLIFE SAS. Ibyiciro by'ibicuruzwa nk'uko byavuzwe haruguru (kandi byavuzwe mu mugereka w'ibicuruzwa) bihuye n'amahame ngenderwaho: Imyenda yashushanyije (PC0025). Ibyiciro by'ibikorwa byari bifite inshingano zacu z'ikigo cyavuzwe haruguru ku bijyanye n'ubucuruzi bwemewe bw'ibicuruzwa (PR0030).
TUV Yemejwe:Ningbo Yawen International Trading Co., Ltd yemejwe na TUV Rheinland nk'umutanga zahabu kuri Alibaba.
