Maanshan Dongqiang Machinery Manufacturing Co.,Ltd: We're well-known as one of the leading breaker, spare parts for hammer, construction machinery, hydraulic hammers, excavator parts manufacturers in
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Suzhou Yihong Metal Products Co., Ltd: We produce high-quality hardware tools such as saw blades, drill bits, and grinding discs using high-quality manganese steel, alloys, and other materials,
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Jiangsu Yawei Complete Electrical Co., Ltd: Welcome to buy discount transformer, circuit breakers, switchgear, box type substation, prefabricated cabin substation from professional manufacturers and
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Acetylene black is obtained from calcium carbide or naphtha (crude gasoline) pyrolysis byproduct gas decomposition refining acetylene purity above 99%, after continuous pyrolysis of carbon black.