ʻO Zhejiang chenfan Technology Co., Ltd.aia ma Hangzhou, Kina, me ka hoʻokele kūpono a me ke kaiapuni nani.He hui R&D ʻenehana i haku ʻia e ka hoʻokele ʻenekinia a me nā limahana R&D ʻenehana i loaʻa nā makahiki he nui o ka ʻike i nā mīkini kemika a me ka ʻoihana hoʻokaʻawale ea.ʻO kāna kumu e lilo i mea hoʻolako lako a me ka mea lawelawe ʻenehana me ka hui ʻenehana ʻoihana alakaʻi i nā lako hoʻomaʻemaʻe ea, PSA air separation lako, kūlohelohe kinoea dehydration a me ka hoʻomaʻemaʻe ʻana i ke kahua hoʻokūkū ea, mea hana loiloi kinoea, etc.