Monolith Chem is a Dongsen Chemicals brand — the vertical product line focused on polyaspartic polyurea (aspartate polyurea). On this site the two brands appear side by side as peer faces of one group story: Dongsen for the broader chemical portfolio and HDX isocyanate hardeners; Monolith for polyaspartic resin systems sold to overseas formulators and distributors.

Dongsen Chemicals featured hardeners on this site are HDX-100 and HDX-1200. Full product parameters and the wider hardener range are published at www.dongsenchem.com.

Polyaspartic resin manufacturing is based in the Foshan, Guangdong region (Hongyan production base), with ISO 9001:2015 covering polyaspartic urethane resin production. Overseas customers engage Monolith for commercial and technical routing: jb@polyasparticresin.com · WhatsApp +86 135 5613 5445.

Sister / parent portfolio site: dongsenchem.com. Related waterborne portfolio: monolithchem.com.