We was in Canton Fair from 15-19,Apr in 2019 Main products:Calcium Carbide,Acetylene Gas Cylinders,Seamless steel Cylinders,Mango Ripener,Swimming pool water treatment chemicals,calcium hypochlorite,SDIC,TCCA,etc. Website:www.ngochem.com Wechat/WhatsApp:0086 13682119955 E-mail:jennifer@ngochem.com