About Grandoprint

Nanjing Grando Digital Technology Co., Ltd. is a source factory and R&D-driven manufacturer specializing in digital inkjet printing equipment. We focus on the development, assembly, commissioning, testing, and delivery of high-speed digital label printers, UV printers, white ink DTF printers, and other digital printing equipment.
We continuously serve industries such as label printing, packaging, industrial marking, cultural customization, garment printing, and other application scenarios. Our goal is to provide stable, high-quality, and scalable digital printing equipment and solutions.
We always prioritize R&D and manufacturing as our core, focusing on equipment stability, material compatibility, continuous production capability, and long-term operational reliability. Our R&D is not about increasing product quantity, but about improving real production performance, such as material feeding stability, tension control, printing consistency, structural design, application adaptability, and delivery reliability.
Our flagship focus is high-speed digital label printers, continuously optimized for roll-to-roll printing, variable data, short-run jobs, multi-SKU production, and fast turnaround applications. At the same time, we also develop UV flatbed printers, UV roll-to-roll printers, UV crystal label printers, white ink DTF printers, digital textile printers, and sublimation printers, forming a multi-level product system from sampling to mass production.
The Grando brand started early, and its brand portfolio also covers sublimation equipment, cylindrical UV printers, and cylindrical color printing solutions for printing applications. Currently, Nanjing Grando Digital Technology Co., Ltd. serves as the main legal entity, integrating R&D, manufacturing, delivery, and application solution capabilities.
Company Scale:
We operate dual bases in Nanjing and Shanghai, covering R&D, production, warehousing, testing, and exhibition. Total factory area exceeds 20,000㎡.
Company Distribution:
Nanjing base focuses on high-speed label printers, UV printers, white ink DTF printers, and new product R&D and manufacturing. Shanghai base focuses on sublimation equipment, cylindrical UV printers, and related applications.
Team Size:
Over 500+ employees across R&D, production, sales, technical support, and service departments.
R&D & Technical Team:
Our R&D and technical team has more than 20 years of technical service experience and over 16 years of printing equipment manufacturing experience, continuously optimizing stability, material compatibility, feeding control, and printing consistency.
Production Capacity:
We have full capabilities in machine R&D, assembly, commissioning, testing, and factory delivery. We have established a manufacturing system covering multiple product lines, including high-speed digital label printers, UV printers, white ink DTF printers, and sublimation printers, enabling us to better meet production and delivery requirements across various application scenarios.
Service Capability:
We provide global services including equipment selection, sample testing, installation, training, and long-term technical support.
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World-Class Team
Graduates from top universities worldwide
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Advanced R&D
Self-developed
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Innovation Focus
Multiple innovative technologies

Our Products

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Spot Varnish Digital Label Printer

Spot Varnish Digital Label Printer

Model: GR350S
Parameters: Ink: CMYKW + Varnish Optional; Spot Varnish Enhancement: Supported; Post-Coating Varnish System: Optional; Dual UV Curing: Supported; Printing Width: 110–350 mm.

Film Label UV Inkjet Printer

Film Label UV Inkjet Printer

Model: GR350S
Parameters: Corona System: Supported; Compatible Film Materials: PE, PET, BOPP, PP, OPP; UV Inkjet Printing: Supported; Pre-Coating System: Optional; Printing Width: 110–350 mm; Printing Speed: 20–100 m/min.

Food & Beverage Label Printer

Food & Beverage Label Printer

Model: GR350S
Parameters: UV Digital Inkjet Printing: Supported; Printing Speed: 20–100 m/min; Printing Width: 110–350 mm; Variable Data Processing: Supported; Label Sensor for Mark Tracking: Supported; Dual UV Curing: Supported.

Cosmetic Label Digital Printer

Cosmetic Label Digital Printer

Model: GR350S
Parameters: Ink: CMYKW + Varnish Optional; Spot Varnish Enhancement: Supported; Post-Coating Varnish System: Optional; Dual UV Curing: Supported; Printing Width: 110–350 mm.

Packaging Digital Label Printer

Packaging Digital Label Printer

Model: GR350S
Parameters: Printing Width: 110–350 mm; Printing Speed: 20–100 m/min; Ink: CMYKW + Varnish Optional; Pre-Coating System: Optional; Post-Coating Varnish System: Optional; Variable Data Processing: Supported.

Variable Data Digital Label Printer

Variable Data Digital Label Printer

Model: GR350S
Parameters: Variable Data Processing: Supported; Direct Database Printing: Supported; No Batch PDF Conversion Required; Label Sensor for Mark Tracking: Supported; Printing Speed: 20–100 m/min; Printing Width: 110–350 mm.

Roll-to-Roll Label Printer

Roll-to-Roll Label Printer

Model: GR350S
Parameters: Roll-to-Roll Media Width: 120–360 mm; Printing Width: 110–350 mm; Unwinding Diameter: Max. 700 mm; Label Sensor for Mark Tracking: Supported; Intelligent Deviation Correction: Supported.

Digital Label Press

Digital Label Press

Model: GR350S
Parameters: UV digital piezoelectric inkjet printing; Epson S3200-U1 / S3200-U3 printhead; CMYKW + Varnish Optional; Printing Width: 110–350 mm; Printing Speed: 20–100 m/min; Pre-Coating System: Optional; Post-Coating Varnish System: Optional.

High Speed Digital Label Printer

High Speed Digital Label Printer

Model: GR350S
Parameters: Printing Speed: 20–100 m/min; Printing Width: 110–350 mm; Acceptable Media Width: 120–360 mm; Print Head: Epson S3200-U1 / S3200-U3; Unwinding Diameter: Max. 700 mm; Power Consumption: 10 kW.

Digital Label Printer

Digital Label Printer

Model: GR350S
Parameters: Model: GR350S; Print Head: Epson S3200-U1 / S3200-U3; Printing Technology: Piezoelectric inkjet printing; Acceptable Media Width: 120–360 mm; Printing Width: 110–350 mm; Printing Speed: 20–100 m/min; Ink: CMYKW + Varnish Optional; Unwinding Diameter: Max. 700 mm; Power Supply: 380V; Power Consumption: 10 kW; Dimension: 2850(W) × 1400(D) × 2040(H) mm.

Company Gallery

Certifications & Awards

Utility Model Patent Certificate: Anti-offset Correction Device for UV Flatbed Printers
Utility Model Patent Certificate: Anti-offset Correction Device for UV Flatbed Printers
Utility Model Patent Certificate – Direct Inkjet Printer
Utility Model Patent Certificate – Direct Inkjet Printer
Utility Model Patent Certificate – Paper Roll Shaft for Industrial Printer
Utility Model Patent Certificate – Paper Roll Shaft for Industrial Printer
Software Copyright Registration Certificate – Flatbed Laser Inkjet Printing Precision Control System V1.0
Software Copyright Registration Certificate – Flatbed Laser Inkjet Printing Precision Control System V1.0
Software Copyright Registration Certificate – Multi-Point Temperature Control System for Digital Printers V1.0
Software Copyright Registration Certificate – Multi-Point Temperature Control System for Digital Printers V1.0
Software Copyright Registration Certificate – High-Precision Industrial Printing Inkjet Control System V1.0
Software Copyright Registration Certificate – High-Precision Industrial Printing Inkjet Control System V1.0
Utility Model Patent Certificate – Positioning Device for UV Printer
Utility Model Patent Certificate – Positioning Device for UV Printer
Utility Model Patent Certificate – Printer with Anti-Collision Function
Utility Model Patent Certificate – Printer with Anti-Collision Function
ISO 9001:2015 Quality Management System Certification
ISO 9001:2015 Quality Management System Certification

Success Stories & Case Studies

OEM

OEM

Stable operation with high printing consistency; reduced production setup time by 30%
Supports variable data printing; adaptable to multi-SKU orders

📍 Location: BR,IT 📦 Quantity: 20 units

Company & Product Videos

Company Introduction & Factory Tour

⏱ Duration: 3:45 | 👁 Views: 15,230

Product Demonstration - Kestrel K-1

⏱ Duration: 5:12 | 👁 Views: 28,450

Technology Innovation Showcase

⏱ Duration: 4:30 | 👁 Views: 12,890

Customer Testimonials & Success Stories

⏱ Duration: 6:20 | 👁 Views: 9,650

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