Zhengtong established its reputation in many years of manufacturing bottom slitter knife,

to meet needs of variety industries. With our highly experienced team and high-tech

machines we manufacture durable bottom slitter knife, made strictly by the customer's

request.We produces and supplies a wide range of bottom knives, for all kinds of use,

regardless of its industry. 

Some of the industries in which they are used:
• Abrasives
• Carpet
• Food processing
• Leather
• Metals and foils
• Paper
• Packaging
• Poultry
• Plastics
• Rubber
• Textiles