Hotels and Shopping information in China Guangzhou?

I am looking for 3 star hotels in Guangzhou. I need something that is high is standards, suitable for a 6 month baby to stay in, good location without any pollution, a walking distance to clothing stores. Also where in Guangzhou can i shop for adult clothes, childrens cothes, soft furnishings, black hair extensions, hair products, kids toys, fashion accessories, watches and handbags, furniture, electronics, crafts and beads supplies? Do i have to book for a hotel online or i can do that at the Guangzhou airport? How is crime rate in China Guangzhou?