faucet cartridge Technical requirements: no deformation, no leakage. With strict production management and quality management, the brass valve core can endure rigorous testing, and all the indicators have reached high quality standards. The cartridge feels supple, flow control with ease, good sealing and long service life, it can through the normal operation of 300 000 tunes leaks. 1. Top quality angle valve2. Beautiful design3. High grade brass body4. High-tech digital metal work5. Delicate polishment6. Top quality thick plating of Chrome and Nickel7. 100% inspection passed8. Long lifespan, 5 years warranty9. 200 thousand times test10. 21 years dedication in plumbing industry