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Professional Coal Tar Chemicals , Tar Roof Coating 80-90 Softening Point2018-11-05 13:20:20 |
Glossy Surface Crude Coal Tar Bitumen 26 - 32% Toluene Insoluble JH1262017-09-22 13:41:17 |
ISO Qualified Hard Pitch HS CODE 2708100000 For Magnesia Carbon Brick2017-09-22 13:41:18 |
Dark Solid Lumps Hard Pitch Powder High Density 130 - 138℃ Soften Point2017-09-22 13:41:18 |
Low Ash Modified Coal Tar Pitch Plant For Coal-Graphite Buildig Materials2018-05-22 11:14:38 |
Industrial Coke Oven Coal Tar Pitch 22-23% Toluene Insoluble Matter2018-11-05 13:20:21 |