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About: We, Hengshui Sansong Technology Co., Ltd, are company who is professional to produce PTC heating and electral heating air curatin and warm equipment in big space and regulation warm system. Our main products include Juheng vapour air curtain and hot-water air curtain and electric air curtain, PTC heating, or produce the air curtain system as you need. When we built our company, we had confirmed that we should be honest and with high quality and high productivity to serve our friends. And we will fetch in the advanced technology so that we can offer better products to all friends. You are welcome to contact our team for the cooperation |