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jinhu brand steel blackening agent uses workpiece tempering waste heat to blacken. it is a product of "national key environmental protection and practical technology". it has environmentally friendly processes and energy-saving, and is a replacement product for traditional alkaline blackening. it is used for anti-rust and blackening of mechanical parts made of various carbon steel, cast iron, alloy steel, and powder metallurgy. it is widely used for blackening of various steel parts such as standard parts, blackening of fasteners, blackening of screws, blackening of nuts, blackening of chains, blackening of spring bullet pads, blackening of auto parts, blackening of railway equipment, and other blackening of steel parts.
www.gtfhj.com 2025-03-17
changzhou zhuochen metal surface treatment co., ltd. is a company specializing in metal phosphating surface treatment, high-temperature phosphating surface treatment, and black phosphating surface treatment. sales hotline: 13775190855
czzcjscl.com 2025-02-17
the main business of the equipment master network operation center includes the manufacturing and sales of power tools, woodworking machinery, pneumatic tools, household and gardening machines. the product is made of high-quality alloy steel or carbon steel, heat-treated and chrome-plated or blackened to improve strength, hardness and corrosion resistance. focus on ergonomic design, anti-slip handle, precision machining of the head to ensure a tight fit with fasteners, with adjustable openings and preset torque functions.
qijudashi.com 2024-12-04
changzhou weijia color coating co., ltd. is committed to the metal surface treatment industry, specializing in metal surface processing, metal blackening treatment, metal phosphating treatment, metal surface rust removal, plasticization removal, oil removal and other metal surface processing, and has rich technical experience. welcome to call for consultation!
www.wjcstz.com 2024-11-30