3 pages found in
Heilongjiang:
Manufacturer of reflective micro glass beads for highway safety and pavement markings.
http://www.china-glassbeads.com
Manufacturer of oxalic acid, diethyl oxalate and tetramethyl guadinine. With technical data.
http://www.honglichem.com/
Basic facts, with further coverage of Harbin and the main sights.
http://travelchinaguide.com/cityguides/heilongjiang/index.htm