High-power ceramic resistors, wire-wound potentiometers, trimmer potentiometers, rotating carbon film potentiometers, wire-wound gold aluminum wire-wound resistors, Turns-counting dials, knobs, wire EMI noise filters, precision parts, etc.

Chengdu Tongyuexin Co., Ltd. specializes in the production of high-power ceramic resistors, wire-wound potentiometers, trimmer potentiometers, rotating carbon film potentiometers, wire-wound gold aluminum wire-wound resistors, Turns-counting dials, knobs, wire EMI noise filters, Precision parts, etc.

Engaged in civil and military industrial products for many years, strictly implement ISO9001, ISO2000 quality control system. Our products are widely used in electronic communication products, instrument measuring equipment, cable television equipment, electrical products, color TVs, color consoles, video and audio products and other products. To maintain our position in the industry, we further strengthen our product development capabilities. In addition, we are the first to introduce a high-temperature polymerization furnace from the United States to establish a ceramic resistance element production line.

Chengdu Tongyuexin Co., Ltd. currently has more than 500 employees. What makes us proud is that there are 56 professional employees among all workers (35 have more than 10 years of production experience in potentiometers and high-power resistors). In order to meet the needs of customers, once the customer has a new idea, we will provide product design and development services, OEM service and after-sales service to give customers good support. Providing large-scale recognized products for war and civilian industrial units, our company has made a certain contribution to the defense and economic prosperity of the motherland.