Maybe you are confusing: How to determine which products need to be produced with punching machines??? Which products are produced with hydraulic stretching machines??? 1. Punching machine is suitable for shorter products, such as enamel cups, Non-Stick Pan, milk pot, etc. 2. Hydraulic stretching machine is suitable for high body pot and other products that require multiple stretching and deep stretching If you need, please feel free to contact us. INDIA OFFICE: Rishi Pradhan sales@mostro.cn +85 27278869 Marketing Office in India: G-20, World Trade Centre, Babar Road, Connaught Place, New Delhi-11000 CHINA OFFICE: MOSTRO Intelligent Machinery Co., Limited: www.mostro.cn we chat/WhatsApp/ cell: +86 (13902892110) skype: Timson Guan E-mail: timson@imostro.com ben@imostro.com linda@imostro.com crystal@imostro.com michelle@imostro.com Jacky@imostro.com