1. The business mainly operates in the United States, with its core business being the sale of reverse osmosis (RO) and whole-house water filtration systems, replacement filters, and accessories. 2. In the water filtration equipment industry, it is a well-known brand / mainstream compliant business, with competitors including Aquasana, Culligan, and APEC Water Systems. 3. The brand terms used on the official website are "iSpring" or "iSpring Water Systems".