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Tianjin Goldensea Hardware Products Co., Ltd
Analysis of solid solution treatment for important steps of surface heat treatment
2023-11-29 [ Industry News ]
Surface heat treatment, as the name implies, is a metal heat treatment process that changes the surface performance by heating and cooling the steel surface, and solution treatment is the most important step in surface heat treatment, the s......
2023-11-22 [ Industry News ]
Whether it is mechanical screws, wall board screws (drywall screws) and other self-tapping screws, they must go through the stage of the head, and the working principle of the head of the head machine is what? Today for you to in-depth scre......
What are the main points of operation in the hot dip galvanizing process
2023-11-17 [ Industry News ]
Hot-dip galvanizing is a common anti-corrosion treatment process for fasteners, which is widely used, and its process is as follows: Workpiece degreasing - washing - pickling - washing - dip plating solvent - drying and preheating - hot dip......
Analysis of the difference between half thread and full thread of screws
2023-11-08 [ Industry News ]
Definition of first, half and full thread The half and full thread of a screw are a form of thread. Half thread screws have only half thread and pitch, while full thread screws have full thread thread and pitch. Sec......
How to distinguish stainless steel screws, galvanized and nickel-plated screws
2023-11-03 [ Industry News ]
The way to distinguish stainless steel screws, galvanized and nickel-plated screws from the appearance is to look at the color of the screws, the color of stainless steel screws is close to the primary color of iron, galvanized screws are w......
Factory Add : No.1213 Wangwenzhuang Industrial Area, Xiqing District, Tianjin , China
Office Address : Room1,2-737, Yongli Mansion, NO.37 Yujiang Road, Hexi District, Tianjin, China
Phone : +86 13102241213
Whatsapp : +86 13102241213
Wechat ：+86 13102241213
Email : goldensea@cngoldensea.com
