A53 is a steel grade produced according to the American ASTM standard, and belongs to the United States label number precision and strength are improved.
Cold Rolled sheet is a sheet product specially used for large-area wear conditions. Has high wear resistance and good impact resistance. It can be cut, bent and welded.
This kind of knive is made by best pure tungsten carbide raw material,guaranteed high hardness and high wear resistance, the cutting edge is very sharp,flatness andhigh precision degree.
Ferrite magnet creates high-powered sound an affordable price. The element neodymium and magnetic materials are combined to create a speaker package that is powerful, compact and affordable. To support the speaker delivers brilliant clear warning and is d
Die casting is a metal casting process characterized by the use of a mold cavity to apply high pressure to the molten metal. Molds are usually machined from higher strength alloys, some of which are similar to injection molding.
The color coated steel plate is made of cold-rolled strip steel, galvanized strip steel (electro-galvanized and hot-dip galvanized) on the continuous unit,