Shanghai 4New Control Co., Ltd. e sebetsa ka ho khetheha lipatlisisong le nts'etsopele ea ho pholile ha oli le metsi le ho sefa, ho hloekisoa ha metsi le ho tsosolosoa, ho tlosoa ha oli le scum, karohano ea oli le metsi, pokello ea moholi oa oli, dehydration ea chip, lipalangoang tse sebetsang hantle tsa mokelikeli o litšila oa chip, ho hatella chip ea litšila, ho fokotsa moholi oa khase le ho hlaphoheloa.