1
Feb.
17, 2025
11
Feb.
11, 2025
busy workshop with full of forklift and telehandler
our busy work shop with telehandler and forklift
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12
Feb.
11, 2025
Let's Meet at Xi'an International Hotel and Catering Expo
Exhibition Invitation Davosa sincerely invites you to meet at Xi'an International Convention and Exhibition Center
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13
Feb.
11, 2025
What causes grey after anodizing sealing?
The temperature of sealing solution is too high: when the temperature of sealing solution exceeds a certain value, such as more than 35°C, a thin "powder frost" may appear, and if the temperature continues to rise to more than 40°C, an obvious "powder frost" will appear. High-temperature sealing is usually combined with the use of sealing and dust suppression agents to control the production of se
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14
Feb.
11, 2025
Performance comparison of different colours of trivalent chromium passivation films
Trivalent chromium black passivation. It is generally a black passivation film obtained by adding copper, silver, iron, nickel and other metal ions as blackening agents in the passivation solution with pH between 2-4. However, due to the rapid film formation of black passivation film, the film layer arrangement structure is relatively loose, salt spray resistance is not high. In the unclosed black
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15
Feb.
11, 2025
Common colours for aluminium passivation
Overview of aluminium alloy passivation treatment
Aluminium alloy passivation is a process that uses aluminium metal to react with an oxidising agent to form a dense, protective oxide film covering the surface of aluminium. The composition of this oxide film is a composite of aluminium oxide and other metal oxides, and its appearance changes in colour as the spectrum changes.
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16
Feb.
11, 2025
The copper plated grounding rod adopts an electroplating process, which perfectly combines copper molecules with steel rods
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17
Feb.
11, 2025
GEELONG 15 layers tube type core veneer press dryer exporting
Geelong is professional veneer and plywood machinery manufacturer.this type press dryer has low investment and good drying performance.
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18
Feb.
11, 2025
Copper Electroplating Equipment
Electroplating copper is a widely used pre coating in the electroplating industry。
Copper plating is the most widely used pre coating in the electroplating industry, which includes tin solders, lead tin alloys, and zinc die castings. Copper plating is required before nickel, gold, and silver plating to improve the adhesion of the coating.
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19
Feb.
11, 2025
This article provides a detailed introduction to three methods and steps: chemical copper plating, electroplating copper, and vacuum copper plating. The aim is to help readers better understand copper plating on workpieces, remind them of precautions, and answer common questions. If copper plating is required on the workpiece, it is recommended to choose a suitable method that meets the actual sit
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20
Feb.
11, 2025
This machine is not equipped with explosion-proof motor. If the machine is used in a place with flammable gas, liquid or combustible dust, the electric motor will spark during start-up and operation, which may cause flash fire or explosion.
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