Musi wa18 Chivabvu 2017, Mhemberero yemakore makumi maviri eChina Ventilation Industry Alliance yakaitirwa muBeijing, China. Holtop, sebhizimusi rekutanga remumba rakaita indasitiri yekufemesa nemhepo ine makore anopfuura gumi nemashanu ruzivo, akawana mubairo wegoridhe, mubairo uyu waive serumbidzo yekuti Holtop akatungamira indasitiri yese yekufefetera kuvandudza tekinoroji uye zvigadzirwa zvemhando yepamusoro.
Holtop anga akatarisana nekuvandudza mhepo yemukati sechinangwa chake chikuru kubva pakagadzwa Boka. Mune ramangwana, Holtop ichagadzira zvigadzirwa zviri nani, kubatsira munharaunda uye kushandira pasirese kuunza yepamusoro-soro, yakachena, ine hutano uye mweya mutsva.
