1. All surfaces of the Filter Tips are mirror surfaces, and the tips need to be transparent
2. Material requirements: Medical grade PP
3.The production workshop is 100,000 GMP
4. The tips require no DNA/RNA/DNSE/RNASE and enzyme pollution
5. The product has no oil stains and black spots
6. The concentricity of the tips is within 1.5MM, there must be no defects
7. The burr diameter inside and outside big mouth is controlled within 0.05MM
8. The burr diameter inside the small month is 0.05MM, and the outer diameter is within 0.1MM