Uniform Plumbing code, people are used to call it
The certificate is valid for one year, so we have to accept periodic factory audit by IAPMO every year to keep the certificate valid.
The simple process of certification is: application - payment - Test - factory audit - certification.
Tophome, our company specializes in producing stainless steel handmade sinks. This Cupc certification is very important for our export our sinks to North America market. With the development and progress of market, we have all kinds of products, including apron sinks 、under mount sinks、top mount sinks、multifunctional sinks 、bathroom sinks and so on. In view of the current market, we continue to research and develop new products to meet demand of customers. In order to ensure the interests of customer, our new products must be supported by CUPC certification. CUPC also fully proves that the quality of our handmade stainless steel sinks meets the North American market certification standards.