UPC/cUPC certification is the certification mark of the United States International Association Plumbing and Mechanical Officials （IAPMO）. The unified sanitary plumbing product standard is the authoritative certification for sanitary ware products entering the American market. The addition of "c" refers to the Canadian market. cUPC is the authoritative certification for sanitary ware products in the North American market. It is headquartered in California, the United States. A non-profit organization.

Because of the UPC/cUPC certification, government recognition, international reputation, fairness and credibility, and standard requirements, obtaining this certification is more conducive to product promotion and sales in North America and Canada.

Common products involved and corresponding standards:

1. Plumbing Supply Fittings / ASME A112.18.1-2018/CSA B125.1-18

  Faucet/Angle Valve Product Standard

2. Plumbing Waste Fittings / ASME A112.18.2-2015/CSA B125.2-15

  Lower drain standard

3. Flexible Water Connectors / ASME A112.18.6-2017/CSA B125.6-17

  Metal hose standard

4. Ceramic Plumbing Fixtures / ASME A112.19.2-2018/CSA B45.1-18

  Ceramic sanitary ware standard

5. Six-Liter Water Closets Equipped with a Dual Flushing Devise / ASME A112.19.14-2013

  Standard for dual-stage drainage ceramic sanitary ware

6. Anti-Siphon Fill Valves for Water Closet Tanks / ASSE 1002-2015/ASME A112.1002-2015/CSA B125.12-15

  Inlet valve standard

7. Trim for water-closet bowls, tanks, and urinals / ASME A112.19.5-2017

  Drain valve standard

8. Flush Valves with Dual Flush Device for Water Closets or Water Closet Tank with an integral Flush Valves with a Dual Flush Device / IAPMO PS 50-2019

  Standard for Double Drain Valve

9. Shielded Couplings Joining Hubless Cast Iron Soil Pipe and Fittings / ASTM C1277-2018

  Coupling and accessories

10. Hubless cast iron soil pipe and fittings for sanitary and storm drain waste, and went piping applications / ASTM A888-2017a

  Cast iron pipes and fittings

Certificate template: