High strength silica bricks are a type of refractory brick that are made from high-purity silica and fired at high temperatures. Silica bricks have a high resistance to thermal shock, chemical attack,
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Embroidery thread black have many different materails. Black 120/2 polyester embroidery threads,Color number: 2170. Black 120/2 rayon viscose embroidery threads,Color number: 8271. Black 40/2 sewing
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Liba (Jinan) Intelligent Technology Co., Ltd.: We're well-known as one of the leading fiber laser marking machine, co2 laser cutting machine, 3 in 1 welder machine manufacturers in China. Please rest
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* KN95 level protection, filtering efficiency up to 95%, PM 2.5 pollution ash.
* The production of our masks strictly follows GB2626-2006 (China's KN95 standard).
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Aluminum is a silver-white metal and is very light in weight (less than three times as dense as water) yet strong. Because aluminum is ductile, it can be drawn into wires or pressed into sheets or foil.
