The metal speaker mesh maintains the audio, prevents the aging of the internal components of the audio, prolongs the life, and also has the function of heat dissipation. At the same time, it supports customization, provides drawings or samples, and custom
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Electrostatic discharge (ESD) is a common natural phenomenon. The effects of ESD on electrical and electronic equipment, devices or systems are everywhere and it is a highly harmful electromagnetic energy.
Fully threaded coupling to the spiral linear and continuous raised spiral lines with specific cross section made on both ends of cylindrical or conical bolt. Fully threaded coupling is mainly used in water supply, heating, oil circuit, compressed air and