Posachedwapa, kampani ya makolo a PEPDOO—Xiamen Yuanzhidao Biotechnology Co., Ltd—inapeza bwinobwino chiphaso chovomerezeka cha labotale choperekedwa ndi China National Accreditation Service for Conformity Assessment (CNAS) (Nambala Yolembetsa: CNAS L20646). Ulemu umenewu ukungosonyeza kuzindikira kwakukulu kwa kasamalidwe ka labotale ndi kuyezetsa luso la kampani komanso ndi gawo lofunika kwambiri pa luso laukadaulo la PEPDOO komanso mulingo wokhazikika wa kasamalidwe kazinthu zapadziko lonse lapansi za peptides ndi gawo lazakudya zowotchera.