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Anonymous users2024-01-24Said copper security door. Probably also the colored stainless steel doors that are popular now. The stainless steel is coated with a layer of copper. In essence, it is still a stainless steel door, but the surface process is treated to copper.
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Anonymous users2024-01-231. There are pure copper and alloy, depending on your needs and price.
2. The sturdiness mainly depends on the thickness of the copper plate (steel plate) and the registration of the lock, which can be simply understood as the price.
3. Theoretically, the steel plate should be tougher, but the copper plate should be more beautiful.
Is that door pure copper, or alloy? Copper security doors should not be pure copper, they should be alloyed.
Sitting in a house facing north and facing south, it is generally warm in winter and cool in summer, which is more suitable for living. As for the quality of the house, it mainly depends on the design of the house. There's an insert in the addendum.
The perennial color of resin iron is bright and durable.
Overall, space aluminum is good.
The bathroom is made of high-quality 62 fine copper ingots, and it is made of gravity. >>>More
Preferably all-copper.