Chongqing Zhaohong Technology Co., Ltd.

Chongqing Zhaohong Technology Co., Ltd. – 線上商品櫥窗

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1. Hole Jewel

Hole Jewel contains a series of components that are chiefly applied as supporting bearings to the rotational systems of various accurate chronographs, auto-memorizing apparatus, precise instruments (micrometer, dial indicator) and other apparatus.
M ...

2. cup jewel

Cup jewels contain four types: spherical bearing, conical bearings, double cups on one face bearing, and single cup on double surfaces bearing. These cup jewels are chiefly applied to electronic meter, hot water meter, liquid measuring instrument ...

3. optical window

Sapphire possesses nice light transmission, and the infrared ray transmission is hardly influenced by temperature, so the optical components made of sapphire are fully applied to military infrared equipment, low-temperature laboratory viewing ...