1. combined membrane treatment technology

2. Mineralization and PH adjustment technology

3. Advanced oxidation sterilization technology Nanjing Water Cup Quality Water Supply Engineering Co., Ltd. has dozens of patents exclusively in the direct drinking water industry, including:

1. Whole house water supply equipment with different quality.

2. Anti-overflow pipeline water dispenser

3. Pipeline direct drinking water purification production device

4. A pressure reducing valve which is convenient to fix.

5. Multifunctional water purifier filter element

6. Direct drinking water advanced treatment production device

7. Direct drinking water sterilization and fresh-keeping device

8. Improvement method of PH value in pure water production

9. A water purifier with convenient filter element replacement.

10. Simple direct drinking water sterilization device

1 1. High-quality direct drinking water sterilization device, etc.