About Natural Pigment
Automated Panel Production
Integrated intelligent production
One-step composite panel forming with stable dimensions and precise thickness control.
Fully automated control reduces labor cost; reliable for building and insulation panels at scale.
CNC Cutting Equipment
High-precision CNC cutting
High-precision cutting with smooth edges and custom sizes.
Smart CNC control with dust and noise management for clean, safe production.
Professional Testing Center
Our professional testing center uses precision instruments to verify every performance metric and ensure all products meet industry standards.
Smoke density tester
Measures smoke density during combustion for fire safety rating.
Thermal conductivity tester
Measures thermal conductivity for insulation performance.
Water absorption tester
Tests closed-cell structure and moisture resistance.
Xenon aging tester
Simulates weathering and aging resistance.
Oxygen index tester
Determines minimum oxygen concentration for combustion—fire rating.
R&D Innovation Center
We invest in R&D and partner with Hubei University of Technology, Wuhan Textile University and others.
Joint labs and workstations support ongoing equipment and process innovation.
About Grape Skin Red
Product Description:
It is made of grape skin or grape juice residue as the main raw material through extraction, filtration, refining, concentration, sterilization, spray drying and other processes.
Physical and chemical properties:
Solubility: soluble in water, ethanol, propylene glycol, insoluble in oil and fat.
Color tone characteristics: The color tone changes with pH value, ranging from red to purple red in acidic conditions and dark blue in alkaline conditions; Under acidic conditions, it has good light and heat resistance stability.
