I-FSC:I-Ningbo Yawen International Trading Co., Ltd ithobelana nezidingo ze-FSC zochungechunge lwesitokisi maqondana nokuthengwa nokuthengiswa kwezinkuni, uqalo nemikhiqizo yephepha (i-FSC 100%, i-FSC exutshwe, i-FSC Recycled).Ukuhlola bekusekelwe kokujwayelekile: FSC-STD-40-004 v. 3.0 FSC Izinga Lokugunyazwa Kwesitifiketi Sokuboshwa.
GRS:I-Ningbo Yawen International Trading Co., Ltd ithobelana ne-Global Recycled Standard(GRS) Inguqulo 4.0 ecwaningwe yi-ECOCERT GREENLIFE SAS.Izigaba zomkhiqizo njengoba kushiwo ngezansi (kanye nokucaciswa okwengeziwe kusithasiselo somkhiqizo) zihambisana namazinga: Izindwangu Ezidayiwe(PC0025).Izigaba zenqubo zithwale umthwalo wethu ongaphansi kwenhlangano eshiwo ngenhla yekhava yemikhiqizo eqinisekisiwe Ukuhweba (PR0030).
I-TUV iqinisekisiwe:I-Ningbo Yawen International Trading Co., Ltd yaqinisekiswa yi-TUV Rheinland njengomhlinzeki Wegolide ku-Alibaba.
