GWM sales are up 237.9% year-on-year in June. 09/07 update: Now with Top 330 All-models. Australian new vehicle sales edge up 0.4% year-on-year in June to 110.664 units, marking an 8th consecutive month of year-on-year gains after 31 straight months of decline. The H1 2021 tally is up 28.3% to 567.468,…