DS Natural Mineral Crystal Stone Firm has more than ten years' experience in crystal mineral, gem and specimen fields. Our main products are natural crystal, mineral crystal, gem, raw materials, end products, rock specimens and partial fossils. We integrate production, processing and sale together. We have set up three processing factories and can meet customers' different needs. We also produce various types according to customers' demands. The model is unique and the craft is fine. We are devoted to the production and sale of products which can improve consumers' quality of...