Хятад Нарийвчилсан CNC өрмийн машин үйлдвэрлэгч ба …
OVERVIEW 1, This machine is designed for cold drawn pipes or hot rolled pipes, with boring, scraping and rolling to process inner diameters to achieve good accuracy size and fine surface finishing . The cold-drawn pipes are 27 SiMn, 30CrMnSi, 42CrMn. Hot-rolled pipes could be quenched and ...