nxtango
Calcined petroleum coke is a kind of petrochemical product, whose raw materials is green petroleum c…更多
nxtango
Carbon Additive is chiefly made of coal carburant using quality Ningxia Taixi anthracite as the raw …更多
nxtango
Carbon Additive is chiefly made of coal carburant using quality Ningxia Taixi anthracite as the raw …更多
nxtango
Carbon block is using in metallurgy industry as a kind of carbon refractory. It can be divided into …更多
