All right. Established in 2022, Guangzhou Zhong Da Jewelry Testing Co., Ltd. Shenzhen Songgang Branch is located in Shenzhen, Guangdong Province, and is an enterprise mainly engaged in professional technical services. Guangzhou Zhong Da Jewelry Testing Co., Ltd. Shenzhen Songgang Branch is good. Guangzhou Zhong Da Jewelry Testing Co., Ltd. Shenzhen Songgang Branch has the professional certification of state organs, is a regular company, and its business scope is also within the scope permitted by law.