A 55-year-old woman with 5-year history of Raynaud's phenomenon, 2 years of dysphagia after eating, generalized swelling sensation, thickened and hardened skin on hands, and facial skin without wrinkles. Recent BP 160/94 mmHg. Urinary protein ++ (1.5g/d), urine sediment RBCs 10-15/HPF. BUN 1 mmol/L, Scr 240 μmol/L. The primary clinical diagnosis for this case is scleroderma. Which type of scleroderma is this?