Thaum ua ntawv thov rau vuam hlau (H08A lossis H08MnA), nws tuaj yeem vuam boilers, cov raj xa dej thiab cov hlau.
Nws tuaj yeem siv rau hauv ib qho dhau thiab ntau dhau submerged arc vuam rau cov pa roj carbon steel thiab cov hlau tsis tshua muaj hlau nrog cov xov hlau tsim nyog (xws li EL12, EM12, EM12K thiab lwm yam).
Nws tuaj yeem siv rau hauv ib qho dhau thiab ntau dhau submerged arc vuam rau cov pa roj carbon steel thiab cov hlau tsis tshua muaj hlau nrog cov xov hlau tsim nyog (xws li EH14, EM12, EM12K thiab lwm yam).