Hebei Qinghe Dezheng Auto Parts Co., Ltd. : Standard for inspection of automobile rubber hose (1)1, hose size measurement: inside diameter, outside diameter, reinforced layer outside diameter, wall....

2021-01-08View+

Hebei Qinghe County Dezheng Auto Parts Co., Ltd. : automotive rubber hose inspection itemsPhysical and mechanical properties: density, hardness, surface resistivity, dielectric properties, t....

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Hebei Qinghe Dezheng Auto Parts Co., Ltd. : The development of automotive rubber hose in China (3)At the same time, since the period of "11th five-year plan", China's rubber belt industry ....

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