Хятад Уян хатан хоолой үйлдвэр, үйлдвэрлэгчид |Сайн ган …
Item Ductile cast iron pipes Introduction Nodular cast iron pipe refers to a pipe made by high-speed centrifugal casting by a centrifugal nodular cast iron machine after adding a spheroidizing agent to cast molten iron above No. 18, referred to as nodular pipe, nodular iron pipe, and nodular...