Model Number: PT-7-1-#7559 Brand Name: QZM Key Specifications/Special Features: Advanced equipment: 10 CNC lathes, 16 auto-lathes, 7 punching equipment (largest one: 315T) and many other auxiliary equipment like drilling tapping, polishing, and grinding machinesQuality control instruments: digital projector, Rockwell hardness tester, hydraulic pressure testing bench, various calipers, thread ring and plug gaugesAnnual outlet: up to 60,000,000 pieces brass fittingsWith ISO 9001:2008certificateUses eco-friendly material, which have approved by RoHS Directive

Surface plating: zinc, nickel, chrome and gold

Tolerance: ±0.01mm