... in Fuzhuang Industrial Development Zone,Botou City,Hebei Province,which is close to 104 National Road and Beijing to Shanghai ... " Tools’Application"Non-sparking", "spark reduced", "spark-resistant" or "spark-proof" tools are names given to tools made of ... metal (copper-nickel alloy), copper-aluminum alloys (aluminum bronze), or copper-beryllium alloys (beryllium bronze). Commonly used hand tools are ...