... %C canvas fabric and steel frame polyester/cotton canvas air duct for air conditioning, chemical industry, metallurgy industrymade of good quality ... /exporter. Our main products are canvas products such as air duct, tarpaulin, rubber cloth, luggage cloth, canvas for shoes, military ... : 7oz/m2~33oz/m2 (200g/m2~950g/m2).we also supply good quality construction tents, military tents, ourdoor tents made of ...