Focused on Insulation Since 2009
Guangxin Insulation is a premier Chinese manufacturer of electrical insulation paperboard, insulation paper and machined insulation components — and China's largest domestic supplier of 0.5–5.0 mm paperboard for distribution transformers.
Materials Expertise, Manufacturing Depth
Guangxin Insulation is a premier Chinese manufacturer specializing in electrical insulation paperboard, insulation paper, and machined insulation components. Founded in 2009, we have grown into China's largest domestic supplier of 0.5–5.0 mm insulation paperboard for distribution transformers.
Our manufacturing facility spans over 4 hectares (60 mu) in Hunan Province, employing 280 skilled professionals. With 9 dedicated production lines and an annual output of 20,000 tons of paperboard plus 8,000 tons of insulation paper, we deliver nearly 60 product varieties to customers across China and to export markets worldwide.
Annual revenue: RMB 220 million. Total assets: RMB 44.87 million.
Credentials That Hold Up
M.01
ISO 9001:2015 Certified
Full quality management system, externally audited and continuously improved.
M.02
IEC International Standards
Products tested and compliant with IEC 60641 / IEC 60763.
M.03
Military-Grade Supplier
Qualified neutral paperboard supplier for defense applications.
M.04
China's Largest
No.1 manufacturer of 0.8–5.0 mm insulation paperboard by domestic volume.
M.05
0.5 mm Paper Standard-Bearer
0.5 mm insulation paper supplier to all major Chinese transformer manufacturers.
M.06
20%+ Exported
Products shipped across Asia, the Middle East, Europe and the Americas.
From Hunan to Global Grids
Products exported across Asia, the Middle East, Europe and the Americas — backed by a dedicated export service team.
- Four Export Regions
Asia · Middle East · Europe · Americas.
- Dedicated Export Team
Documentation, logistics and communication handled in-house.
- Fumigation-Free Packaging
ISPM 15 compliant for seamless international logistics.
- Flexible OEM
Custom manufacturing for international clients.
Inside Guangxin
Work With a Proven Manufacturer
15+ years, 9 lines and China's largest distribution-transformer board supply position. Tell us what you need — response within 24 hours.
