Tonice is a professional Seal manufacturer located in NINGBO China, owned a strong technical team , within this team , three of our engineers worked for AES seal China ltd before , Our team could design different seals according to your requirement . And could produce by your drawing or design . Meanwhile , we owns good QC management and excellent producing capability to offer you different Mechanical Seals , for present economic , many clients want to find new replacement to famous brand such as AES , Burggrman, Jone Crane etc. to reduce their cost . Hengxing Mechanical Seal Co., Ltd is a the best one for your choice .