FSC:Ua hoʻokō ʻo Ningbo Yawen International Trading Co., Ltd i nā koi FSC o ke kaulahao mālama e pili ana i ke kūʻai ʻana a me ke kūʻai ʻana i nā huahana lāʻau, ʻohe a me nā huahana pepa (FSC 100%, FSC hui ʻia, FSC Recycled).Hoʻokumu ʻia ka loiloi ma luna o ka maʻamau: FSC-STD-40-004 v. 3.0 FSC Standard for Chain of Custody Certification.
GRS:Ua hoʻokō ʻo Ningbo Yawen International Trading Co., Ltd i ka Global Recycled Standard(GRS) Version 4.0 i hoʻopaʻa ʻia e ECOCERT GREENLIFE SAS.ʻO nā ʻano huahana e like me ka mea i ʻōlelo ʻia ma lalo nei (a i ʻōlelo hou ʻia ma ka appendix huahana) e kūlike me nā kūlana: Dyed Fabrics (PC0025).Lawe ʻia nā ʻāpana kaʻina hana i kā mākou kuleana o ka hui i ʻōlelo ʻia ma luna no ka uhi ʻana o nā huahana i hōʻoia ʻia (PR0030).
Ua hōʻoia ʻia ʻo TUV:Ua hōʻoia ʻia ʻo Ningbo Yawen International Trading Co., Ltd e TUV Rheinland ma ke ʻano he mea kūʻai gula ma Alibaba.
