Kong Quelan sea salt package produced by Shandong Taian Nuotai Electronic Technology Co., Ltd. is of good quality. Nuotai electric hot compress salt, exquisite workmanship, reasonable design and no space occupation. The delivery was very timely and the packaging was intact. The product cost performance is acceptable. Contains a variety of fillers, red beans/coarse salt hot compress can effectively promote blood circulation and relieve physical pain symptoms. But also a leakage protection device.