Yiwu Guanhui Biotechnology: Source Herbal Warm Care Factory Focusing on the research and development, production and customization of mugwort warm patches and hot compress care products We have multiple national patents, fully automatic production lines and full-chain quality inspection We undertake OEM private labeling and bulk supply. Our goods are sold throughout the country and overseas. We create warmth with craftsmanship and convey the warmth of health care