Men Stripe Tie, an embodiment of timeless elegance and sophisticated style. This iconic accessory, the Men Stripe Tie, is a must-have for any discerning gentleman. With its versatile nature, the Men
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Guangzhou Laikebao New Material Technology Co., Ltd: We are a leading chemical raw material manufacturer specializing in the production of defoamers, release agents, deodorant, car care products and
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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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Optical filter is a common optical element, whose function is to selectively transmit or reflect a specific wavelength or frequency in a light beam. Its material is mainly glass or plastic, and the outer side is plated with a film formed of a specific material.