FSC:Kamfanin Ningbo Yawen International Trading Co.,Ltd ya bi ƙa'idodin FSC na sarkar tsaro dangane da siye da sayar da kayayyakin itace, bamboo da takarda (FSC 100%, FSC gauraye, FSC An sake yin amfani da shi). An yi kimantawar bisa ga ƙa'ida: FSC-STD-40-004 v. 3.0 FSC Standard don Takaddun Shaida na Sarkar Tsaro.
GRS:Kamfanin Ningbo Yawen International Trading Co., Ltd ya bi ka'idar Tsarin Sake Amfani da Ka'idar Duniya (GRS) 4.0 wanda ECOCERT GREENLIFE SAS ya duba. Nau'ikan samfura kamar yadda aka ambata a ƙasa (kuma aka ƙayyade a cikin ƙarin bayanin da ke cikin ƙarin bayanin samfurin) sun dace da ƙa'idodin: Dyed Fabrics (PC0025). Nau'ikan tsari sun ɗauki nauyin ƙungiyar da aka ambata a sama don takardar shaidar samfuran Ciniki (PR0030).
An Tabbatar da TUV:Kamfanin Ningbo Yawen International Trading Co., Ltd ya tabbatar da cewa kamfanin TUV Rheinland ne ya samar da Zinare a Alibaba.
