High Quality 68℃ Upright Fire Sprinkler Automatic DN20 Fast Response Sprinkler

High Quality 68℃ Upright Fire Sprinkler Automatic DN20 Fast Response Sprinkler. Fast Response Technology: Superior thermal sensitivity activates in advance to suppress fires rapidly and conserve water. High Sensitivity Glass Bulb: 3mm glass bulb specification ensures faster response and powerful water columns under high pressure. Durable Brass Construction: Made of brass with options for natural, chrome plated, or white color coated surface finishes. Multiple Certification Standards: Complies with ISO, CCC, UL, and CE standards for global safety and quality assurance. OEM and Custom Logo: Supports OEM services with custom logo design and manufacturing capabilities. High Production Capacity: Factory capacity of 600,000 units per month with over 150 machines and 12,000 sqm area. Free Sample Availability: Small samples are in stock and provided for free; customized samples take 5-7 days. Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.