... ACM,FLS,AFLS ,PU ,etc Best Ring Technology Co., Ltd.(short for LSB) has some year’s experiences in engine ... of sealing products.LSB has adopted all imported material (United States Dow Elastomers, Dow Corning Corporation and Nippon Zeon Corporation), ... compression mold , etc. Company Name: Best Ring Technology Co. , Ltd. Business Type: Manufacturer Ownership Type: Joint ventureRegistered capital: RMB 5 ...