1. The valve bodies are all precision cast valve bodies with fine appearance and no trachoma. Each batch of castings has a furnace number mark to facilitate production tracking.

2. All Stainless Steel materials such as 304/316 are guaranteed to be tested and come with a material sheet.

3. The weight of the same caliber is heavier than that of the same valve.

4. The mesh adopts a full welding process, and the filter opening rate reaches 80%. The wear resistance and corrosion resistance are improved, while avoiding the filter from being washed away and the leakage of particulate matter.

5. Each valve body undergoes surface pickling and passivation treatment to make the appearance of the casting a uniform silver-white bright color, maintain the metallic luster, and improve corrosion resistance.

6. Every valve leaves the factory with double-layer pressure testing of shell and seal in accordance with national standards.

7. Pango  brand product quality is covered by China Pacific Insurance with two million dollars. Two years warranty, pay two back if one bad within two years. Any quality problems of the product itself, we will pay without conditions.