What logistics and regulatory hurdles do Chinese exporters face when shipping PGME as a Class 3 dangerous good?

What logistics and regulatory hurdles do Chinese exporters face when shipping PGME as a Class 3 dangerous good?
PGME is classified as a Class 3 flammable liquid under UN 3092, packing group III, with a closed-cup flash point around 31-38°C. Exporting from China requires an English MSDS for booking, a Chinese MSDS for warehouse entry, and a dangerous goods packaging certificate (weibaozheng). For less-than-container-load (LCL) shipments, cargo must be palletized, and shippers must coordinate with licensed freight forwarders. Storage demands explosion-proof ventilation, sealed containers, and separation from ignition sources. These compliance layers add 5-10% to logistics costs versus non-hazardous solvents. With China now exporting about 5% of its glycol ether production, mainly to Europe and Southeast Asia, exporters must master destination-country import rules to avoid detention and demurrage charges.