Firstly, we would like to introduce ourselves Shandong Donge Steel Ball Co., Ltd, The company is the largest steel ball manufacturer in China , located in Shandong, China and specialize in high precision and low noise G16,G10, G5 chrome steel ball from 0.8mm to 25.4mm and G40, G20, G10, G5 stainless steel ball from 0.8mm to 12.7mm and some silicon balls and taper roller from 5mm to 25mm .Our company has certificate of ISO/TS16949:2002 specializing in auto bearings.
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