Henan Nuclear Hengda Industrial Co., Ltd. is a state-owned military enterprise. We are one of the largest professional manufacturers engaged in designing, researching, developing, producing, and selling disposable heating supplies. Since the establishment, we have been adhering to the noble goal of "relying on science and technology to create a warm life", and we have been working to improve people's life. We established the first spontaneous heating technology research center in 2003 by ...   |