FSC:E tutuki ana a Ningbo Yawen International Trading Co.,Ltd i ngā whakaritenga a te FSC mō te mekameka tiaki e pā ana ki te hoko me te hoko atu i ngā hua rakau, pāma me te pepa (FSC 100%, FSC whakaranu, FSC hangarua). I ahu mai te aromatawai i te paerewa: FSC-STD-40-004 v. 3.0 Paerewa FSC mō te Tiwhikete Mekameka Tiaki.
GRS:E tutuki ana a Ningbo Yawen International Trading Co.,Ltd i te Global Recycled Standard (GRS) Putanga 4.0 i arotakehia e ECOCERT GREENLIFE SAS. Ko ngā kāwai hua kua whakahuatia i raro nei (ā, kua whakahuatia anō hoki i roto i te tāpiritanga hua) e tutuki ana i ngā paerewa: Ngā Kakahu Tae (PC0025). Ko ngā kāwai tukatuka kei raro i te kawenga o te whakahaere kua whakahuatia i runga ake nei mō ngā hua kua whakamanahia e hipokina ana te Hokohoko (PR0030).
Kua Manatokohia e te TUV:I manatokohia a Ningbo Yawen International Trading Co.,Ltd e TUV Rheinland hei Kaiwhakarato Koura i runga i Alibaba.
