Reliable. He Yun jewelry has been tested by the National Jewelry Testing Center. The documents are complete and very reliable. Yunhe Jewelry Co., Ltd. was established on April 7, 2020. C 19, Shop A, 3rd Floor, Beihai Aquatic Products Market, No.6 Yunnan Road, Haicheng District, Guangxi Zhuang Autonomous Region. The legal representative is Yuan Yitong.