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We are the biggest retaining ring manufacturer in China,and with forty years'' production experience.We have the certificate of ISO14001 and TS16949.
Especially in DIN,ANS,JIS,standard.With the best quality and the capacity of more than 200 million pieces one monthly,we are honored as a committee member by National Fastener Standardization Technical Committee in 2014,and helped to revise three standards of retaining rings and three standards of disc spring washer. |
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| Company : |
Anhui Ningguo Dongbo Fastener Co.,Ltd. |
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Contact us |
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| Country : |
China |
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