we can supply all kinds of linear motion support unit with excellent quality,competive and warm service.SH...A and SHF...A SH...A and SHF...A series:SH10A SH12A SH13A SH16A SH20A SH25A SH30A SH35A SH40A SH50A SH60ASHF10A SHF12A SHF13A SHF16A SHF20A SHF25A SHF30A SHF35A SHF40A SHF50A SHF60Awelcome to inquire. linear motion support unit