1
Jul.
31, 2025
The necessity of cooling and passivation treatment after hot-dip galvanizing
If a high-temperature workpiece after hot-dip galvanizing is directly exposed to air for cooling, the zinc layer will produce internal stresses due to sudden cooling, resulting in cracking or deformation of the coating. Water or air cooling slows down the cooling rate, stabilizes the structure of the zinc-iron alloy layer, and prevents plating defects caused by stress concentrations.
Read More
2
Jul.
31, 2025
Phosphating treatment forms a dense phosphate film (such as zinc phosphate or iron phosphate film) on the metal surface through a chemical reaction, blocking oxygen and moisture from direct contact with the metal and slowing down the rate of corrosion of the substrate, which is especially suitable for short-term rust prevention needs.
Read More
3
Jul.
31, 2025
The role of passivation in electroplating
Passivation is a key step in the post-processing of electroplating, which significantly improves the corrosion resistance, appearance stability and functionality of the plated parts by forming a dense protective film on the surface of the metal plating.
Read More
4
Jul.
31, 2025
Dongping Kaiyuan Machinery actively registers to participate in BICES 2025
Recently, Dongping Kaiyuan Machinery Manufacturing Co., Ltd. officially registered to participate in the 2025 Beijing International Construction Machinery, Building Materials Machinery and Mining Machinery Exhibition (BICES 2025).
Read More
5
Jul.
31, 2025
How to choose jaw crusher and common troubleshooting
Jaw crusher is a common crushing equipment in mining, construction, metallurgy and other industries, and its performance directly affects production efficiency and cost control. Therefore, when choosing jaw crusher equipment, various factors must be carefully considered to ensure that the purchased equipment can meet production needs and has good performance.
Read More
6
Jul.
31, 2025
What is primary crushing? How to choose the right primary crushing equipment?
Crushing equipment is mainly used to process natural rocks, various ores and large pieces of soft, medium and high hardness materials into stones of different specifications. The crushing process is divided into primary coarse crushing, secondary medium crushing and tertiary fine crushing.
Read More
7
Jul.
31, 2025
How to Operate a Scissor Lift?
Operating a scissor lift can seem daunting at first, but with the right knowledge and precautions, it can be a straightforward process.
Read More
11
Jul.
31, 2025
2025 newly launched horizontal vacuum transformer oil filtration machine
HOPU 2025 newly launched ZYD series horizontal high vacuum transformer oil purifier is a key equipment to ensure the safe and reliable operation of transformers.
Read More
12
Jul.
31, 2025
Recently, our after-sales engineer went to a customer who purchased an "FDT" wide body Full-Direction Forklift Truck for maintenance and follow-up and received positive feedback on its use.
Read More
13
Jul.
31, 2025
Benefits of Owning a Dump Truck
Owning a dump truck can be a smart investment for individuals and businesses in various industries.
Read More