... duplex melting, and there is a resin
sand production line that capacity of handling
sand is 20T/h. Machining workshop Building area ... 5]Quality standard Standards of dryer cylinders for the designing,
making,inspectng: 1.the standard of dryer cylinders for the ... GB etc...... 2.the standard of dryer cylinders for the
making,testig,inspecting: QB2551-2008