HEJO CHEM is a specialized supplier of electronic chemicals, composite-material intermediates, and high‑performance resin monomers. Our core portfolio includes bismaleimides, and functionalized derivatives widely used in high‑frequency/high‑speed copper‑clad laminates (CCL), advanced composites, semiconductor packaging, and electronic adhesives.
With strong expertise in organic synthesis and precision multi‑step reactions, HEJO CHEM operates a modern R&D laboratory capable of supporting customized molecular design, resin formulation optimization, and application‑focused performance evaluation. We collaborate with academic and industrial partners to accelerate material innovation for next‑generation electronic substrates and structural composites.
Globally, we serve customers through a combination of direct sales and regional partners, enabling responsive technical support and stable supply chains. Our materials are widely adopted in aerospace composites, high‑speed communication boards, semiconductor electronic chemicals, and high‑reliability engineering applications.
In addition to supplying specialty materials, HEJO CHEM offers contract manufacturing services, including custom synthesis and precision drying for electronic‑chemical and composite‑material producers. Sustainability and responsible manufacturing remain integral to our corporate strategy.

