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诚发公司成立于2002年，现坐落于东莞大朗镇，占地25000平，毗邻东莞松山湖。公司通过SGS的ISO9001，ISO13485认证

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072023-02: Inclined ring spring
　　Inclined ring spring contact sealing characteristics, let Duchenne Chengfa precision spring to t...
312023-01: What is the structur
　　Guide wire spring is what structure, let Du Shi Cheng hair precision spring to tell you about ...
142022-12: Medical springs: sur
　　The corrosion of springs can be divided into chemical corrosion and electrochemical corrosion ac...
212022-09: How to use oblique r
How to use the correct use of inclined coil spring, let Du Chenfa precision spring to tell you about...

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