How reliable is Zhengzhou gold and silver?

How reliable is the gold and silver in Zhengzhou? It's a regular company, and the whole country is serious. Henan Jinduo Yinduo Jewelry Co., Ltd. was established on 2010-126 with a registered capital of 1000006 1543 and its legal representative is Jin Ming. Its business status is continuous, and its industrial and commercial registration number is 4 1065438.