The expanding door of China Qingdao Tongshuai is made of pure high grade stainless steel, bright in color and unique in style. It is consisted of the head part, the door body, tail part, wiring slot, guide rails etc.
The head part, embodying motor and chain in a sealed metal case, can go forward...
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Brief introduction:
Bellows compensator is also known as expansion joint or expansion bend. The mail body is the bellows (a flexible element),and it is also composed with some accessories like side tubes, brackets, flanges and conduit tube etc.
It is a kind of compensation components. By using...
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Technical parameters of solar yellow-flash
1. High-effective system of optic-electrical transformation and energy-storage control.
2. Adopt high-brightness quaternionic transparent substrate (TS) LED, whose effect is 80 higher than the normal brightness LED.
3. Adopt advanced constant current...
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