The mission of the Science and Technology Museum is to "promote the spirit of science, popularize scientific knowledge, and disseminate scientific ideas and scientific methods".
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Hannemec(ShanDong) Intelligent Technology Co.,Ltd.: Hannemec air compressor manufacturing factory has been in the business for over 5 years and we take pride in producing high-quality and reliable air
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Qingdao Cathdeer Machinery Co.,Ltd: We're known as one of the most professional excavator, skid steer loader, mini dumper, lawn mower, wheel skid steer manufacturers in China. Please feel free to buy
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Find professional floor deck roll forming machine, decoiler stacker, purlin roll forming machine, leveling slitting machine, roof roll forming machine manufacturers and suppliers in China here. Our
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UPS Type Stand-By UPS. Stand-By UPS systems provides basic battery backup and surge protection. Line-Interactive UPS systems. Line-Interactive UPS systems provide both battery backup and automatic voltage regulation of AC power (boost/cut) to give a greater amount of power protection than a Stand-By UPS.