The internal structure of cylindrical roller bearing adopts rollers arranged in parallel, and spacers or spacers are installed between the rollers, which can prevent the inclination of the rollers or
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Taizhou Genteck Electric Co., Ltd.: As one of the leading welding machine, charger and starter, cutting machine, MMA welding machine, ARC welding machine manufacturers and suppliers in China, we
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Zhejiang Xinda Plastic Pipe Co., Ltd: XINDA is a professional manufacturer which majors in polyethylene fittings, PERT II fittings such as electrofusion fittings, butt fusion fittings, transition
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Hebei Haijie Modern Educational Equipment Co., Ltd: Store and charge all your laptop, chromebook, iPad or tablet. China factory for products customization. Supply school furniture with smart
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A balun is a device that joins a balanced line (one that has two conductors, with equal currents in opposite directions, such as a twisted pair cable) to an ...