Ceramic tubes are insulating, high temperature resistant, waterproof and wear resistant, and are suitable for use as external protective materials at the branching of wires. When it comes to the protection of these key parts of the wires, the quality of ceramic tubes must be well controlled to avoid casualties…

At present, the main defects of the aluminum foil blister are hollow reticulation, cracks, foreign matter in the blister plate, stacked pieces, empty bubbles, fragments, repetition of product batch number printing, missing printing, broken frame, leakage of metal edges of the aluminum foil, and other defects. Most defects are caused…

The sports watches we usually wear, most of the straps are made of silicone or rubber. Because in sports, our hands move with a large range of motion, and close contact with the hand skin of the strap is also required to be soft material, so as not to damage…