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Welcome to Shandong Haoyu Security Technology Co., Ltd.Located in Jinan, the heart of Shandong Province, we are one of China’s pioneering manufacturers specializing in warehouse logistics seals and terminal pro...
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TEL：+86 15274886326 Whatsapp：+86 15274886326 Email：sales@sdhy-seal.com Add：202, Building 11, Science and Technology Innovation Center, High-tech Zone, Jinan, Shandong Province

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