Hanyao is a modern production factory with 50000 square meters, which is the biggest OEM manufacturer of air-activated warmers and medical heat patches in whole China. We are located in the southeast of China, a beautiful city, Xuzhou. The factory has a majestic appearance and complete infrastructure, which lays the foundation for the continuous supply of high-quality products. If you are interested in cooperating with us, we warmly welcome customers from all over the world to visit our factory.
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