Case At present, the domestic market case with alloy shell, copper shell, steel shell, tungsten steel shell.
1, alloy shell: Generally speaking, the processing technology is simple, the production cycle is short, the output is large, the price is low, and the development is relatively rapid in recent years
speed. However, due to its water resistance, abrasion resistance, corrosion resistance and other aspects of many deficiencies, rarely used in large-scale celebrations, general
It is often used in promotions such as beer and beverages. Belongs to the middle and low class watches.
2, copper shell: copper shell with easy processing, beautiful, waterproof performance, surface wear and corrosion resistance and other advantages. a lot of
Most manufacturers use. Its moderate price is also its advantage. Belong to high, mid-range watch.
3, steel shell: In general, the processing is more complex, the output is small, the price is high, its performance is higher than the alloy shell and copper shell,
Generally used for high-end electronic watches and mechanical or mechanical automatic watches. Belong to high-end watches.
4, tungsten steel shell: processing difficult, not easy to wear, and accompanied by sapphire watch Mongolia, Japan movement, tungsten steel strap. This table one
Like a high-end electronic watch