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Innovation
Pioneering Material Innovation for High-Performance Cables
At Haijiang, innovation is not just a strategy — it is our foundation for global competitiveness in the polymer shielding material industry.
Milestones & Achievements
HJ Polymer's independently developed semiconductive materials for high-voltage cables have broken import dependency, achieving performance at internationally advanced levels.
We have become a participating party in formulating the 220kV national standard and the national standard for EVA raw materials.
HJ Polymer's R&D products have successfully replaced imported materials from Dow Chemical, Nordisk Kemi, and others.
The company holds 3 authorized invention patents and over 40 utility model patents.