长沙鼎立传动机械有限公司位于水陆交通便利的湖南省长沙市宁乡经济技术开发区。专业研发、生产和销售各种类型的联轴器产品，其主导产品包括：QL系列滚珠联轴器产品。本公司不仅是发明和制造滚珠联轴器专利产品的原产地，更是现代大型机械传动机组技术改造的先驱。经过多年市场考察及广大用户信息反馈，我公司已完成了QL系列滚珠联轴器的标准化设计。

　　产品广泛用于冶金、矿山、电力、轻工、石油、起重运输等行业，并已出口到巴西、日本等国家，产品质量可靠，售后服务良好，获得用户的广泛好评。

　　公司始终坚持诚信发展的原则，以质量和信誉为本，将秉承对客户负责的敬业精神，竭诚为客户提供优质的质量，优质的产品。长沙鼎立愿与您实现共赢发展。

　　Brief Introduction
　　Changsha Dingli Transmission Mechanism Co., Ltd. is located in Ningxiang Economic Development Corporation Industrial Park of Changsha City, Hunan Province with convenient traffic. The company is specialized in research and development, production and sales of various types of coupling products. Its leading products include: QL Series Ball Coupling Products. The company is not only the original patented invention and manufacture of ball coupling; furthermore, it is the pioneer of transformation in a modern large mechanical drive machine unit. After many years to investigate the market and the general user feedback, our company has now completed the standards for the design of QL series of ball couplings.
　　Our company has passed the ISO9001 and 2000 quality system certification in March 2006. The products are widely used in metallurgy, mining, power, light industry, oil, lifting and transportation industries, and have been exported to Brazil, Japan and other countries. The company has the reliable quality, good service, and access to the user to wide acclaim.
　　We always adhere to the principle of “sincere development”, quality and reputation-based. We will maintain the customer is responsible for the professionalism, dedication to provide first-class quality, first-class products. Changsha Dingli drives with you to achieve win-win development.