Ningbo Blue Pluser Appliance Co.,Ltd: We're professional water filter, cartridge, faucet, fitting, valve manufacturers and suppliers in China. With abundant experience, our factory offers high quality
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Zhejiang Chupin stationery Co., Ltd: We're known as one of the most professional plastic notebook, stitched notebook, coil book, binding notebook, loose-leaf coil book manufacturers in China. Please
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ZHEJIANG U-ARMOR TECHNOLOGY CO., LTD is the leading manufacturer of anti-riot & bulletproof equipment located in China since 2003, we have our own integrated production line including anti-riot suits,
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Spherical lens is a common and important optical element, which is widely used in science, medicine, communication and other fields. Among them, high-end applications include: infrared spherical lens is used for thermal imaging to improve energy conversion efficiency; The spherical lens in the deep space probe is used to capture the images of galaxies and planets, and realize the exploration of the universe.