... ,CR,SBR,IIR,HNBR,ACM,FLS,AFLS ,PU ,etc Best Ring Technology Co., Ltd.(short for LSB) has some year’s ... of sealing components, the basic products are: O-Ring.X-Ring V-Ring.R-Ring. Y-Ring.U-Ring., Oil Seal,PU oil seals , rubber flat ... ,compression mold , etc. Company Name: Best Ring Technology Co. , Ltd. Business Type: Manufacturer Ownership Type: Joint ventureRegistered capital: RMB 5 MILLIONCEO: Peter ...