Qidong Lanzuan Diamond Products Co., Ltd. is a professional manufacturer of diamond tools & glasses equipments. For 10 years, we have been studying hard to design and develop optical glass grinding wheels, diamond tools and glasses equipments.We continually fetch in advanced equipments, improve production techniques, and promote the latest products to meet requirements of different markets and customers at home and abroad. We strictly strengthen the quality management, improve the service for customers, and create the outstanding brand to win the common development in future. We warmly welcome friends from home and abroad to cooperate with us and create a bright future together.