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Jn -- steel structure bolt business department
TEL：010-60553140 Fax：010-60553141
Mail box：zhaoboluosi@126.com
Contact information of Export Department
TEL：15130012227
Mail box：info@jzbolts.com
Beijing jinzhaobo High Strength Fastener Co., Ltd
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010-60553140
010-60553140
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Jn - steel structure bolt