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Established in 1996, LJV Industry Investments is a professional enterprise specialized in the design and production of encoders, potentiometers, tact switches and rotary switches. LJV Industry Investments Co., Ltd is a professional manufacturer of Rotary Potentiometers, Rotary Encoders, Rotary Switches and Tactile Switches.

Dongguan LJV Industry Investments Co. Ltd. is the biggest manufacturer of encoders, potentiometers and switches in China, which specializes in the design, developing, manufacturing and marketing of potentiometers, encoders, multi-channel switch series, precision stampings, pressing, punching, die casting and plastic parts. LJV’s products are widely used in audios equipment, automotive accessories (car amplifiers), communication equipment, musical instruments, medical equipment, computer /multimedia peripheral products, toys, VCD players and DVD players, and other electronic equipment and household appliances. LJV new manufactory covers an area of more than 30,000 square meters, which has advanced professional production equipment and precision testing instruments and the excellent professional production teams to ensure the quality. LJV has a R&D department, tooling workshop, injection workshop, punching workshop and assembling workshop. The production capacity is more than 8 million pieces monthly.