How to choose the right glass cutting machine

[China Glass Net] In CNC machinery, CNC equipment such as tempering furnace, edging, cleaning, hollowing, and lamination are all mature internationally. The automatic glass cutting machine is fast, high precision, and difficult to control. It has always been considered as a gl

Modification and Application of Polypropylene Plastics

Modification and Application of Polypropylene Plastics 1. Polypropylene occupies an important position in the production of synthetic resins and develops rapidly. Polypropylene is an important product among the five general-purpose synthetic resins. It has developed rapidly both at home and abroad

The reason why platinum will change color

Many metals are exposed to moisture for a long time and some color changes occur. Platinum is the purest of the many metals, so will platinum change color? There is no absolute thing in this world. Platinum also changes color. Pt950 platinum ring, completely faded When b