COSO products have been used by some major projects, and COSO bathroom products can be seen in large office buildings, five-star hotels and high-end residential areas all over the world. COSO products have been used in major engineering projects such as STERN Hotel in Germany, Ousion Par Hotel in New York, Boya Apartment in Barcelona, Beijing Tobacco Company Staff Building, Shenzhen Shengtingyuan Hotel, Guangzhou Sanying Hot Spring Resort Hotel, and Guangzhou China Hotel. The engineering strength and product quality of COSO sanitary ware.

At the same time, COSO is the first in the industry to launch 4S purpose service, free pre-sale design and consultation, and provide personalized engineering solutions; provide professional technicians to guide commissioning and installation services;

24-hour customer service and comprehensive product warranty and maintenance services. All of these reflect COSO's strong strength and incomparable brand value as an international brand.