The production process of high-power waterproof aluminum alloy flashlight is very complex lock, the raw material is aluminum crack, after the mold stretch forming aluminum tube.Then each part is manufactured by CNC machine. In...

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Description of The Automotive Emergency Power Supply: Made of High-strength Aluminum-Alloy, Of Good Resistance to Explosion And Abrasion, Etc. Works As Usual Where Temperature Reaches Plus 60℃ Or Minus 20℃. Resistance to Unintentional Touch Keeps Power From Unnecessary...

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