... Technics-Hot punchining,CNC machining 3.ISO9001:2008 Oil and gas pipe fitting1. Product Introduction Item DescriptionNameCNC machining part: ... and Best service Our slogan: Quality is everything2. Company Introduction (1) Company Name: Qingdao Zehan Machinery Manufacturing CO., ... 3) Main equipments: CNC lathe, Auto-lathe, meter lathe, pressing and forging machine, polishing equipment, etc.(4) Main ...