8 Years Factory Aluminium circle for road sign for Colombia Manufacturer
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Aluminum circle for road signs
Thickness:0.4mm to 6mm
Diameter:100mm to 1500mm
Materials:CC and DC quality
Hangzhou Jinding Aluminium Industry Co., Ltd and Zhejiang Shuanglin Jiate Metal Technology Co., Ltd are famous
aluminum circle,aluminium discs factory in China, we have DC and CC produing line ,our aluminium circles have
good quality for road signs
This documentary shows how aluminum (aka aluminium) is mined from bauxite, refined into usable metal, then used in the construction of airplanes. The bauxite is mined in Dutch Guiana, shipped to the United States and processed in an aluminum plant. The ore is changed from rock to liquid and then to metal. The film shows rolling mills, the construction of new aluminum plants, and dams and power plants used to supply power for the refining process – all essential for aluminum production.
This film includes many scenes of military aircraft being manufactured and flown. .
Ella73TV – https://www.youtube.com/user/Ella73TV2 – A curated collection of old films, newsreels & archive footage spanning the 20th century.