We are North Industrial based in Shijiazhuang, China. We are member of companiess.com since November, 2013. Our business is related to Minerals & Metallurgy industry and we specifically deal in cenosphere. Please find our product details below:cenosphereA cenosphere is a light weight, inert, hollow sphere made largely of silica and alumina  and filled with air or inert gas., typically produced as a byproduct of coal combustion at thermal powe...Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.