Established in 2002 Tengzhou Huahai Group is a high and new technology enterprise which located City,Shandong Province China.Our group covers an area of 66,670 square meters. has 612 employees. Our main products are, HVAC Phenolic foam air ducting panel ...
Preinsulated Air Duct Panel,PU And Phenolich Duct Panel,Heat Insulation Wall Panel,PU Cold Storage Panel,Air Duct Accessories
