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      1. Customer Hotline   0315-5913666    Sales Hotline   010-65667208   0315-5913452
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        Guohua Tech is a group composed of the parent corporation “Beijing Guohua Technology Group Ltd.”, and 6 other key holding subsidiaries: “Tangshan Guohua Technology International Engineering Co., Ltd”, “Zhongkuang Lvneng (Beijing) Engineering Corporation ”, “... [more]
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