Box-type resistance furnace tsim los rau tshuaj lom neeg tsom xam, thiab me me ntawm steel hardening, annealing, tempering, thiab lwm yam kub kub kho nyob rau hauv lub chaw soj nstuam ntawm industrial thiab mining enterprises, universities, kev tshawb fawb institutes;tuaj yeem yog koj ...
Nyeem ntxiv