1. Various sizes, adapt to different use environment, provide you with more choices.2. Adequate-net weight, no cutting comers.3. Except for standard weight, other optional weight series are available. Heavy and light.4. Strict standards. By the ruler calibration. International testing standards.5. Hardness <180. Fine workmanship 100%.6. These fittings are widely connected to the pipes with water, oil, air, coal gas etc. as media.
