Ningbo Hengli CNC Machining Co... Ningbo, (Zhejiang) Usinage, Estampage, Alésage, Meulage sur 5 axes, Usinage chimique... We always understand high end customers’ expectations,because HL provides CNC machining services for Germany,American,Swiss and other European and American companies.Of course,we had got the ISO9001:2000 to ensure the quality.