Shijiazhuang Shengping Minerals Co.,Ltd: Shengping minerals was set up in 2014. We have more than 10 years export experience. Our main products: Kaolin clay, mica, Himalayan salt bricks/lamps, clay
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Wenzhou Haijia Machinery Technology Co., Ltd.: We're known as one of the most professional ball valve, gate valve, globe valve, check valve, float ball valves manufacturers in China. Please feel free
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Zhejiang Xinxinli Machinery Co., Ltd: Fully automatic paper cup machine from China since 1998. Good quality with best price and best service.
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Off-axis parabolic mirror is a common optical element and has many important applications. It can be used in astronomical telescope, satellite navigation system, laser cutting and other fields. Off-axis parabolic mirror has the characteristics of high resolution, wide field of view and excellent optical performance, so it has become an indispensable part of many high-end optical systems.