Ubufakazi bokuqhuma kwe-Shenhai
Ukukhishwa kanye nobubanzi bezitifiketi zokuvikela ukuqhuma namalahle kwehluka kakhulu.
Okokukhishwa, isitifiketi sokuvikela ukuqhuma sinikezwa ngokuqondile yiNational Electrical Product Quality Supervision and Inspection Center noma ezinye iziphathimandla ezifanele.. Ngokungqubuzanayo, isitifiketi sokuphepha kwamalahle sikhishwa kuphela ngemva kokuhlolwa yi-National Safety Mark Center, ukumaka umehluko omkhulu.
Mayelana nobubanzi, isitifiketi sokuvikela ukuqhuma siklanyelwe izindawo ezine eziqhumayo amagesi ayingozi futhi isetshenziswa kakhulu ezindaweni zeClass II. Ngokuphambene, isitifiketi sokuphepha kwamalahle sisetshenziswa ngokuqinile ezindaweni zeClass I, lapho izingozi zeziqhumane zegesi zithanda khona i-methane zigcwele.