FSC:Ningbo Yawen International Trading Co., Ltd ikutsatira zofunikira za FSC pankhani yogula ndi kugulitsa zinthu zamatabwa, nsungwi ndi mapepala (FSC 100%, FSC mixed, FSC Recycled). Kuwunikaku kunachokera pa muyezo: FSC-STD-40-004 v. 3.0 FSC Standard for Chain of Custody Certification.
GRS:Ningbo Yawen International Trading Co., Ltd ikutsatira Global Recycled Standard (GRS) Version 4.0 yomwe idawunikidwa ndi ECOCERT GREENLIFE SAS. Magulu azinthu monga tafotokozera pansipa (ndipo adafotokozedwanso muzowonjezera zazinthu) akugwirizana ndi miyezo iyi: Dyed Fabrics (PC0025). Magulu azinthu zomwe zachitika anali ndi udindo wathu pansi pa bungwe lomwe latchulidwa pamwambapa la malonda ovomerezeka (PR0030).
Yatsimikiziridwa ndi TUV:Ningbo Yawen International Trading Co., Ltd yatsimikiziridwa ndi TUV Rheinland ngati Wogulitsa Golide pa Alibaba.
