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Aluminum Profile
Qingdao Kevina Industry Co., Ltd is a high-tech enterprise integrating R&D, manufacturing, sales, and service. The company is committed to providing custom windows aluminium extrusion, windows accessories and aluminium Extrusion storage rack, windows and door storage rack, one-stop solution for window and door factory all over the world.
01
BAUXITE MINING
BAUXITE MINING

The first step of aluminium production begins with the mining of bauxite, a clay like soil typically found in tropical regions.

02
ALUMINA REFINING
ALUMINA REFINING

Bauxite is transported to processing plants where the clay is washed off and bauxite passed through a grinder and dried to a white powder which is reduced to Pure Alumina.

03
SMELTING
SMELTING

The Alumina is passed between a cathode which is reduced to Pure Aluminium. It is then smelted to form molten Aluminium.

04
CASTING
CASTING

The liquid Aluminium is then cast into ingots, billets, sheets or foundry alloys.

EXTRUSION
EXTRUSION

The ingot or billet is then heated till soft and pressed through a die.

ROLLING
ROLLING

Since aluminium is very ductile. Aluminium Sheets and foils are rolled out from a sheet ingot. They are flattened from about 60mm to as thin as 0.3mm.

05
05
06
PACKING
PACKING

The aluminium extrusions and sheets are then packed with precision into pallets before getting shipped out from factories.

07
SHIPPING
SHIPPING

The packed aluminium products are then shipped via road or sea, from the warehouses to our customers. Ready to be fabricated into many useful products.

08
RECYCLING
RECYCLING

Aluminium is considered a “Green Metal” because recycling of aluminium requires only 5 percent of the energy used to make aluminium and the ease of recycling. Aluminium can be recycled with 100% efficiency such that none of the qualities are lost.

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