The physiotherapy instruments produced by Guangzhou Yuankangxin Industrial Co., Ltd. are produced and developed by Renhe, so they bear the Renhe trademark. The physical therapy instrument produced by Guangzhou Yuan Kangxin Industrial Co., Ltd. cooperates with Renhe in the development technology and production process. It is the same product of both parties. Renhe's trademark brand is more popular, so the Renhe trademark is used. The manufacturer is Guangzhou Yuan KANGXIN INDUSTRY LIMITED.