1,wireless headset receiver box accessory; 2,Fast delivery; 3,ISO9001 ... or Samples 4,,ISO, MTC wireless headset receiver box accessory; Production range:We are a professional ... dimension tolerance of machining of customers’ requirement.4, Surface roughness: Ra0.8-3.25, Weight: ranging ... from 0.50g to 10000kg6, Surface finish: polishing, oiled (rust-prevented), zinc-plated, nickel ...