Suntan is a professional manufacturer of Trimming Potentiometers and Various capacitors. For Trimming Potentiometer produce list, pls. see below :

TSR-3006   Rectangular Trimming Potentiometer
TSR-3323   7 Terminal Square Trimming Potentiometer
TSR-3296   5 Terminal Square Trimming Potentiometer
TSR-3362   9 Terminal Square Trimming Potentiometer
TSR-3386   8 Terminal Square Trimming Potentiometer
TSR-3329   Circularity Trimming Potentiometer
TSR-3266   5 Terminal Square Trimming Potentiometer
TSR-3318   6mm Phenolic Round Trimming Potentiometer
TSR-3306   6mm Cermet Round Trimming Potentiometer
TSR-3309   9mm Round Trimming Potentiometer
TSR-065     Phenolic Trimming Potentiometer
TSR-3590   Precision Multiturn Wirewound Potentiometer
TSR-3361   1/4¡° Square SMD Trimming Potentiometer
TSR-105H   6 Terminal Trimming Potentiometer
TSR-65M    6mm Ceramic Trimmer Potentiometer - 65M
TSR-625     6mm Ceramic Trimmer Potentiometer - 625
TSR-633     6mm Ceramic Trimmer Potentiometer - 633
TSR-655     6mm Ceramic Trimmer Potentiometer - 655
TSR-805     8mm Ceramic Trimmer Potentiometer - 805
TSR-825     8mm Ceramic Trimmer Potentiometer - 825
TSR-855     8mm Ceramic Trimmer Potentiometer - 855
TSR-3540,3541  Wirewound Element - 3540 / Precision Element - 3541
TSR-C3305        SMD Trimmer Potentiometer - 3mm