Aluminum Rolling Door
Dexin Door Industry is a manufacturer of custom fast rolling doors. Since its establishment, the company has been engaged in the production and sales of rolling door products. The fast rolling doors produced by our company are made of carefully selected materials. The rolling shutter door has a long service life, simple maintenance and guaranteed product quality.
The Zirconium Heat Exchanger with a heat transfer area of 80㎡ is designed for optimal performance in corrosive environments.
The spinnerets are first placed in a boiling solution containing 15-20%NaOH for 2 to 3 hours to remove most of the polymer on the plate.The plate is placed in a triethylene glycol solution at 260-280C,keeping for 12 hours, and then cooled.
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