1. High quality & high precision; 2. Material: stainless steel; 3. Competitive price. 1. Material: stainless steel, iron, copper, spring steel;2. Good flexibility and conductive;3. Own test equipments;4. Strict quality control process;6. A sale tactic of competitive price; 7. Large production capability, with a factory covering 30,000 sqm of land area.8. Perfect after service, keep following ...