Easy to understand guides and orientation by products save us a lot of searching. If you are looking to step up your game in the jewelry business, this is the supplier to contact and do business with. Very Professional, above and beyond the customer service. Delivery was super fast and they gave great suggestions of their products to fulfill the needs and requirements for the designs I am planning to make. From my perspective, NIhaojewelry is one of the best jewelry suppliers globally for starting a jewelry resale business.