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www.hovwing.com jianye district silica new materials center mainly deals in chemical products such as water glass, sodium hypochlorite, hydrogen peroxide, industrial alcohol, dichloromethane and other chemical products. it is a production company with its own production base, a stable source of goods, and guarantees the stability of product quality. if you need it, you can contact us by phone: manager li 15195785122 2025-03-13
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www.vewoe.com in 2019, the ministry of industry and information technology issued a new national standard for electric vehicles, aiming to better manage electric vehicles. after five years of implementation, some problems were found. therefore, the new national standard is being revised recently. one of the issues discussed is the three changes that may be brought about by the cancellation of the 55 kg weight limit of the new national standard. even if electric vehicles are safer and more practical, the new national standard for electric vehicles stipulates various technical parameters of electric vehicles, including limiting motor power, battery voltage, driving speed and vehicle weight. the current standards require that the entire vehicle should not exceed 55... 2025-01-28