International fashion and luxury groups are opening coffee shops in major Chinese cities, entering an intensely competitive space in a bid to draw in customers amid a slowdown in luxury spending.In Shanghai, French luxury conglomerate LVMH added a cafe and dining space to The Louis, a massive three-storey, boat-shaped concept store that opened in the bustling HKRI Taikoo Hui shopping centre in late June. That followed French fashion house Celine’s debut of a garden-themed coffee shop nearby in...