... to the japanese desk pump,and it is improved and formed by cnce-molding housing and dwindling the volume,It had the ... way lf parallel connection.2,SHB-IllABMain frame is punch formed by the stainless armor plate,delicate and beautifrl,sturdy and durable ... is made of engineering plastics. SHB-IllAMain frame is punch formed by the stainless armor plate,delicate and beautifrl,sturdy and durable ...