Minghui Science and Technology Co., Ltd. is a professional development, research electrolysis, electroplating, oxidation, electrophoresis equipment, power supply and its electrolytic polishing equipment sale, and may contract to install engineering services. The main products are high-frequency oxidation power, plating high-frequency power, high frequency electrolytic power supply, dedicated various sizes of stainless steel electrolytic polishing equipment, degreasers, rust remover, rust inhibitor at room temperature blackening agent, cleaning agent, passivation agent, stainless steel, electrolytic polishing liquid copper chemical polish, copper anti-oxidants, acid lotion, aluminum chemical polishing agent, electrolytic polishing. 
 The products are mainly involved in the surface treatment of stainless steel, copper, aluminum and other materials are widely used in hardware, electronics, molds, machinery and many other fields. The complete product range, quality assurance. 
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 Room temperature blackening agent for the low, medium and high-carbon steel, steel, cast iron black processing, the processing time of 2-5 minutes, black and lasting effect. Room temperature blackening agent is black immersion at room temperature, breaking the high-temperature black, simple operation, and work processes: degreasing rust - Cleaning - Direct black - clear -2 channel definition - rust-proof. The company produces blackening agent is environmentally friendly at room temperature blackening agent, black liquid can be recycled, when the black impurities in the liquid in the liquid, add a new room temperature blackening agent can continue to use, so significant savings to the customer cost