Henan Dongjia Tools Co.,ltd. is a company integrated in tools manufacture, sales and research & development in advertisement industry. Upholding the principles of QUALITY FIRST, CUSTOMER FIRST AND PRACTICAL FIRST, Dongjia tool is bestowed with good reputation in the domestic and international signage market. With more than 10 years experiences, we have developed various tools, such as channel letter hole punches, benders and grommet punch tools etc. These tools are portable and easy to use, which have greatly promoted the development of channel letter making.We are young and passionate tools maker, we are Enthusiasm tools provider, especially we are thoughtful tools developer. Our new designed channel letter hole punches pliers have received the State patent. Dongjia manual hole punches pliers are applied to stainless steel,aluminum,iron,and brass sheet etc.When we use a electric drill making holes, it always slide to the side and the bit is easily worn. ...More