Ningbo Hungyun Electronic Co., Ltd. is located in the west of Ningbo, covering an area of more than 2, 000 square meters. We are a professional manufacturer of different kinds of potentiometers with high quality. There is an excellent team of potentiometer development, production and sale. We supply many series of potentiometer products, such as potentiometers with plastic seals, potentiometers with switches, position sensor potentiometers used in car, control potentiometers with high-power and long life, Spanish potentiometers, inching potentiometers and encoders. We keep ahead in many key technology areas (noise, liner type <=1%, life>=100, 000 cycles). Our service tenet is "satisfying clients&＃039; demands and exceeding clients&＃039; expectation". Our product developing aim is "perfect and innovation". We will continue to develop product quality and optimize production cost. We are contributing to the development and innovation of potentiometers. Hongyun is your best partner and Hongyun potentiometers are your best choices