Mbali ya WCB TYPE Buku Lever Block 1. Low carbon alloy zitsulo kapangidwe kazitsulo kogwiritsa ntchito, kotetezeka komanso kodalirika, kolimba
2. Kugwiritsa ntchito unyolo wa G80 wokweza mphamvu, chitetezo chokwanira komanso ntchito yayitali, moyo Wakhazikika potembenuka, kuchita bwino kwambiri, kukoka kwa kuwala
3. Kugwiritsa ntchito mabakiteriya awiri kuti muwonetsetse chitetezo chokwanira
4. Chingwe chogwirira ndi mbale yolimba, kulimbitsa mphamvu ya dzanja lokwera Chosankha katundu wochepetsera
5.The kukhazikitsidwa kwa kuchitira lonse, kwambiri kusintha ntchito mankhwala, moyo utumiki
6. Kudzera CE, GS muyezo cetification
