• Ọkara n'akpa ikuku nyo
  • HEPA nyo
  • Isi Panel nyo
  • index-banyere

N'afọ 2007, ụlọ ọrụ mmepụta ihe e guzobere Central ntụ oyi ụlọ ọrụ isi. Na 2012, Wucheng Zen cleantech Co., Ltd. e debara aha. Na 2019, iji omume mba mba ọzọ ahia iwu, aha Shandong Zen Cleantech Co., Ltd. Na free mpaghara. Na ngụkọta edebanyere isi obodo nke nde mmadụ 22 yuan. The ụlọ ọrụ a n'ịgbaso mmụọ nke na-aga n'ihu ọhụrụ, na "kacha mma mma, kacha mma price, kacha mma ọrụ" dị ka azụmahịa na nkà ihe ọmụma, ndibọhọ ukwuu ude na ukwuu otuto nke anụ ụlọ na ndị mba ọzọ na ahịa.