
Authentic Product Bronze Tires Standard Valve Stems for Automobile Parts. High-Quality Materials: Constructed from Zinc Alloy, Aluminum Alloy, or Brass for durability and performance. ISO Certified Manufacturer: Professional factory with ISO certification, established in 2008 with 15+ years experience. Fast Response & Support: 24-hour response for quality issues, covering all costs for confirmed manufacturer responsibilities. Flexible Custom Solutions: One-stop service including mold design, die casting, machining, and surface finishing from samples. Large Production Capacity: Capacity of 100,000 PCS/Day with multiple die-casting machines (38T-200T) and full post-processing. Material Certification: Provide material reports or third-party test reports for Zamak 3, Zamak 5, and other alloys.