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2006
CANGZHOU DEAN SAFETY & SPECIAL TYPE TOOLS CO.,LTD
striking box wrench (228)
The non-sparking tools made of copper-aluminum alloys (aluminum bronze)or copper-beryllium alloys (beryllium bronze), they are widely used in the dangerous environments with many latent fire and explosion danger , such as petroleum ,chemical industry ,electronics , railway , shipbuilding , gas production and etc.