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Gem-Duo Co.,LTD is the subsidiary of Gem-Year Group, the #1 fasteners manufacturer worldwide in terms of quantity delivered ( http://www.gem-year.com/ ). We are located in Shandong Province, China with annual capacity up to 200,000 tons. We are capable of providing various types of fasteners, especially DIN912, 931, 933 & 934. tapping screws, self drilling screws, drywall screws. If you think that Gem-Duo can provide support on your fasteners needs, I’d greatly appreciate to hear from you. |
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| Screws, Bolts, Nuts, Drawing Wrie, Thread bars |
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| Company : |
GEM-DUO CO.,LTD |
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Contact us |
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| Country : |
China |
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