Ki te whakaaetanga i ngā rongoā karu, ko te tūtohu me te higiene he mea nui. Ko Jiangsu Changfeng Medical Industry Co., Ltd. e whakamahia ana i ngā pūtōki iti kihai i rokohanga ki te wero i tēnei tikanga. Ko ō mātou pūtōki iti kihai mo ngā rongoā karu, e whakatūhia ana hei wawe tonu, hei tika tonu te whakawāhia i te rongoā i ia wero. E ai ki te hanganga o enei pūtōki, kei runga i ngā raraunga pai rawa, i ngā raraunga matua o te oranga, e pai ana ki te whakamahi i te takiwā o ngā karu. Ko te matawhāiti e āhei ana ki te whakawāhia i te rahi rite, i te tika o te rongoā i ia wero. Ngaro anō pea te whakaae ki te whakamahi, ā, ki ngā hunga mate e iti ana te mana motuhake o te whakaae. Ko te hanga korepara e āwhina ana ki te kauhanga i roto i te pūtōki, e whakaiti ana i te para, i te rite. No reira, ko ō mātou pūtōki e whakarite ana ki te whakamahi anō (mēnā e pai ana mo te rongoā) rānei ko te kawe atu i te haerenga pai ake i muri i te whakamahi.