Platinum diamond ring can be changed several times
Could it be because the number of changes is more, because metal fatigue has caused the ring quality to deteriorate?
September 2022
Eight trends of future development of powder coating
In recent years, the development speed of powder coating is quite amazing, under the environmental pressure of chemical industry depression, still maintain the growth rate of about 10%. This is naturally closely related to the characteristics and advantages of powder coatings. Under the traction of environmental protection requirements and technological innovation, it provides sufficient power …
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