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30GQ系列空气—水热泵机组是合众—开利公司引进日本东洋开利90年代初期的先进技术所生产的高效节能型产品。
The 30GQ series air-water heat pump unit is a high-efficiency and energy-saving product produced by Hezhong-Kaili Company with the introduction of advanced technology from Japan’s Toyo Carrier in the early 1990s.