Ningbo Haishu blue spring refrigeration equipment Co., Ltd. was founded in 2001, is a ventilation equipment, refrigeration equipment, environmental protection, science and technology as the core of the integrated enterprise, set R & D, design, production, sales, installation, hi tech investment in one. Has 8 branches in Shanghai, Jiangsu, Hunan, Qinghai, Zhejiang, 。。。details>>

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