Ningbo Wanguan investment casting Co , LTD Opened natural gas as a new energy source, reducing energy consumption cost by more than 30%
In the first five months of this year, coal mining, non-ferrous mining, oil and gas mining, iron and steel mining, non-metal mining, other mining and other upstream industries maintained a sustained boom
Small and medium-sized enterprises have appeared in Wenzhou in recent months
The National Development and Reform Commission recently released the operation of the nonferrous metal industry in August
