What's the difference between Smith, Lauren and ao Smith?

There are differences in product types, brand history and key areas.

1, product type: Smith Lauren focuses on providing comprehensive solutions for residential, hotel and other industries. AO Smith spans two major fields: family and business.

2. Brand history: Smith Lauren is a German brand with a history of 150 years. AO Smith is a famous HVAC equipment manufacturer in Britain with a history of 150 years. Focus: Smith Lauren focuses on hot water. AO Smith is famous for electric water heaters and other household appliances.