Tianjin Jinnan District Shuang Gang Town He Zhuangzi Market New Market West Market Container. Tianjin Jinnan Tianshun Agate Jewelry Store, established on 20 19, is located in Tianjin, and is a retail-oriented enterprise. Agate, also known as agate, Kate Ma and agate, is a kind of chalcedony mineral. It is usually a banded rock block mixed with opal and aphanitic. Its hardness is 6.5-7 degrees, its specific gravity is 2.65, and its color is quite layered.