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Ningbo Zhenhai Yongding Fastening manufacture Parts Factory specially produces fasteners, bolts etc. We have all kinds of automatic equipments of manufacturing and testing. Now the co***ny is manufacturing various kinds of high quality bolts, nuts and non-standard fasteners. The products meet all the international criterion of GB, DIN, ISO, ANSI,AS, BS. The products are widely used in numerous domestic enterprises and national key construction projects and exported to European, American and Southeast Asian ...
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