100pcs 4.5mm 8mm Steel Balls Pocket Shot Outdoor Hunting Slingshot Pinball Stainless Steel Balls Shooting Accessories Steel ballsare important basic parts, especially precision industrial steel balls play a huge role in the development of the national economy. Under some special conditions, steel balls of special materials are often needed to fulfill the functions required under different environments. In fact, some special material steel balls have been widely used in various fields of the national economy, including 9Cr18, 3Cr13 stainless steel, copper, aluminum, titanium alloy steel, agate, glass, ceramic balls, etc. Their promotion and application have not only promoted the development of the steel ball production industry, but also promoted the technological development and technological progress of related industries.
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