adjusting screw rod 2.auto part,resonance stem 3.material: carton steel, stainless steel, brass 4.size:meet as clie 1. adjusting screw rod2. telecom part,resonance stem3.material:carton steel, stainless steel, brass4.size:meet as clients need5.useage:communication parts6.It can be customized to meet client's requirements.7. fine quality and good price8.OEM and ODM service offered adjusting screw
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