Shenzhen Longzhiguan Technology Co., Ltd. is a professional company engaged in jewelry. We are a multi-functional enterprise for the production, sales and design. We have our own brand - BLVKUAN. It is a legitimate trademark in Hong Kong and China mainland. For us, the quality is the most important. The product metal is alloy with 18k gold plated, and the crystal is with Sworlovsiki element. Our popular element design makes it become the perfect combination of quality and fashion. Our products have formed a sales network covering the whole country and Europe.