Ubwino ndiye mwala wapangodya wazogulitsa zathu, Zogulitsa zathu zimatsimikiziridwa ndi malo oyesera a SGS akatswiri. Tili mu lamba wamakampani aku Guangdong ku China, tagwiritsa ntchito bwino mwayiwu kuti tikwaniritse bwino zida zathu zapanyumba pophatikiza mafakitale okwera ndi otsika, zomwe zatilola kuti tigwiritse ntchito bwino zinthu zomwe zimathandizira ndikuchepetsa mtengo wogula.