1, Henan De Microcrystalline Diamond Co., Ltd.: This company is the first synthetic diamond manufacturer in Henan Province, mainly engaged in the processing, production and sales of synthetic diamonds, and its products include synthetic diamonds of various colors and specifications. Henan De Microcrystalline Diamond Co., Ltd. also provides customized services for synthetic diamonds, which can customize specifications, shapes, colors, etc. according to customer requirements, and provide quality after-sales service.

2. Henan Jingheng Diamond Co., Ltd.: This company mainly deals in artificial gem, synthetic diamonds, grinding stones, crystals and other products, and also provides various gem ornaments and processing services. Artificial gem and synthetic diamonds of Henan Jingheng Diamond Co., Ltd. are widely used in jewelry, jewelry making and decoration. At the same time, the company also provides customized services for gemstones with special colors and shapes that are difficult to find in nature to meet the individual needs of different customers.