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Zhejiang Zeen Holding Co.,Ltd
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About Us
Zhejiang Zeen Fasteners Co., Ltd., located in the south-east of China, is specialized in the manufacturing of high strength bolts with hexagon head, high strength large hexagon nuts, torshear type high strength bolts and high strength plain washers for steel structure. Our products are made strictly in accordance with the following standards: DIN, ISO, ANSI, JIS, AS, NF and GB/T. Their strength grades reach 4.8 to 12.9 and the strength grades of steel structure reach 8.8S to 10.9S. Our products ...
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