Shanghai Mengchen Industrial Co., Ltd is a high-tech jewelry manufacturer focused on design,production and sales of high quality stainless steel jewelry, cremation urns, cremation jewelry and S925
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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
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Hydroxyethyl cellulose for water latex paint is used for water emulsion coating and as a protective colloid, it can be used for vinyl acetate lotion polymerization to improve the stability of the
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Jewelery velvet drawstring pouch soft fabric package for wedding party gift large size dust bags logo customizedjewelery velvet drawstring pouch soft fabric package for wedding party gift large size
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Pencil heater, also known as cartridge heater, is a common electric heating heater, which is mainly composed of heating elements, protective tubes, insulation layers and terminals. Its working
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