About Us
Tuff Line Trading LLC stands as the principal distributor of Indomax — a leading name in industrial marking, coding, and labelling solutions. As part of the prestigious NKB Technovations Group of Companies, our commitment to excellence is deeply embedded in every aspect of our operations.
Since its establishment in 2003, Indomax has been driven by a relentless pursuit of innovation and a strong dedication to addressing the evolving needs of industries across India and beyond. Backed by the extensive resources and expertise of the NKB Group, Indomax has earned a reputation as a trusted partner for businesses seeking world-class marking and coding solutions.
At Tuff Line Trading LLC, we proudly bring Indomax’s cutting-edge technology to our clients, helping streamline production processes and enhance product traceability. Known for their exceptional performance and durability, Indomax’s coding, marking, and labelling systems are trusted by manufacturers nationwide.
Together, Tuff Line Trading LLC and Indomax are committed to delivering superior quality, innovation, and unmatched service to drive industrial success.


LM-550 A3
Professional Choice for your cable marking Job!
Categories: Cable & Wire, Electrical, Electronics, Ferrule Printing Machine

LM-550A3 is an advanced printing solution that makes wire marking faster and easier.
The LETATWIN is a high speed portable printing machine that supports many different print materials. Enhanced by Max Company’s custom designed software (LETATWIN PC EDITOR) the LM-550A3 system provides a wide range of data entry possibilities. Connect to a computer and print directly to the machine, or save marker data to the machine’s large internal memory and take it with you to your site. The durable, shock-resistant rubber key board provides also provides peace of mind when taking this printer to your job site.
Features:
- Convenient and Easy-to-use
- Backlit Display Support
- Heat Shrink Tube Printing
- Cutting Depth Adjustment
- High Marking Speed
- Manually Operated
- Extra Protection for Display
- Long-size Consumables
- Auto-sizing Function
Applications:
- Patch Panels
- Switch Boards
- Control Panels
- Terminal Blocks
- Power Distribution
- Automation


LM-550 E
Professional Choice for your cable marking Job!
Categories: Cable & Wire, Electrical, Electronics, Ferrule Printing Machine
LM 550E is an entry model ferrule marking machine (Cable ID Printer/Tube Printer/ Electronic lettering machine) that is considered as an economical version of Indomax Ferrule Printing machine from MAX Japan. Owing to its high marking speed, LM 550E helps in saving a lot of your precious time. With an efficient backlit display support and a huge character memory, LM 550E is one of the most preferred printing machines to satisfy all your marking needs.
Features:
- Convenient and Easy-to-use
- Backlit Display Support
- Heat Shrink Tube Printing
- Cutting Depth Adjustment
- High Marking Speed
- Manually Operated
- Extra Protection for Display
- Long-size Consumables
- Auto-sizing Function
Applications:
- Patch Panels
- Switch Boards
- Control Panels
- Terminal Blocks
- Power Distribution
- Automation

