Production dumbbell mold

Yuyao teng Hui Electronics Co., Ltd. is a professional development and design of metal molds, plastic mold , die casting mold set production and development of integrated enterprise , specializing in producing all kinds of potentiometer, potentiometer knobs, switches , encoders, resistors , variable resistors manufacturing providers complete product specifications , quality assurance , timely delivery , good service , short development cycle . Our products are widely used ...