Because environmental protection inspection has intensified for celebration of 70th anniversary of the founding of the People’s Republic of China, steel mills in many places are in limited production or suspended production, demand for seamless metal calcium ...
Solid cored pure calcium cored wire is widely used in steel mills, but recently, due to the impact of environmental factors, most of the country's steel mills are in limited production or suspended production, the demand for solid pure calcium cored wire has r...