Company Overview

About Us

Ningbo Donglian Mechanical Seal Co.,Ltd./Ningbo Dongya Mechanical Seal Manufacturer(Dyseals),formed in 1992,is a National High-tech enterprise with Provincial Research and Development Center with advanced management: ERP systems and remote operation.A coverage of 32000 square meters and a building area of 28000 square meters,an existing Staff of over 300. Products: mechanical seals, mechanical seal rings, shafts and bushes/sleeves in ssic, sic, ceramic, tungsten carbide and carbon, bullet-proof plates and body armours in ssic, sic, ceramic and boron carbide. The ceramic plates which we researched and developed were successfully assembled in the space experiment room called Tiangong 2 in 2015.

东联密封系国家高新技术企业和省级研究开发中心,量身定制了可远程操作的ERP管理系统。                            
产品: 高纯度氧化铝、碳化硅、碳化钨、石墨、碳化硼等各种材料机械密封环和轴套，机械密封及装甲防护材料等，其中高纯度、高性能氧化铝陶瓷密封环产销量居全国同行第一位。2015年我公司研发生产的氧化铝陶瓷盘成功用于科学实践十号卫星和天宫二号空间实验室。