traveeling time and facilities along with fares from hong kong to Yiwu and to Gongzhou

The best way from Hong Kong to Yiwu is to fly from Hong Kong to Hangzhou and then take bullet train from Hangzhou to Yiwu. The best way from Hong Kong to Guangzhou is to take train from Hung Hom to Guangzhou East Railway Station. As to the specific travel time and fares, you can search for the following two websites: https://www.travelchinaguide.com/china-trains/, https://www.travelchinaguide.com/china-flights/ .