The quality of Shenzhen jewelry counter is still relatively good. A: Shenzhen Shengrui Jewelry Showcase Co., Ltd. Address: B, Bao 'an District, Shenzhen: Shenzhen Mabaowei Jewelry Showcase Company Address: 20 1 C, Building C, Zhutou High-tech Park, Bujidan, Shenzhen: Shenzhen Dongxing Jewelry Showcase Co., Ltd. Address: No.3 Tianbei Road, Luohu District, Shenzhen 104.