Zijingshan Road, Guancheng District, Zhengzhou City. Zhengzhou Jinka Jewelry Co., Ltd. was established on July 29, 20 15, and was established in Zijingshan Road, Guancheng District, Zhengzhou City. The company's business scope includes: sales and recycling of jewelry; Sales: daily necessities and so on. Zhengzhou, referred to as "Zheng" for short, was called "heaven and earth" in history and called Shangdu in ancient times.