However, the scale of development with the needs of our domestic bitumen market compared to asphalt use asphalt Chinese market is still in short supply asphalt wholesale, especially those high-end asphalt modified asphalt market in China is to be excavated talented people and our country many ordinary road asphalt manufacturers, but less professional asphalt manufacturer, we should gradually improve the professional asphalt manufacturers, to make up for the growing market demand for professional asphalt. This is a cross-sectional schematic view of an ornate Babylon road. Burnt brick coated by a pitch before, the top of the stone flat on a cross-sectional schematic view of Babylon a beautiful asphalt road surface wipe. This magnificent road can be regarded as the pioneer of modern asphalt concrete road. In the thousand years of time, the scope of application was expanded asphalt asphalt manufacturers, so that in the near to Mesopotamia, India and Europe, natural asphalt as a sealing material for the baths, boats, drains, toilets and embankments . In the seventh century BC Assyrian empire and the Babylonian Empire, asphalt has been put into use in road projects. Then, as the seams of asphalt material and application material to decorate and reinforcement Road. Thereafter, the same pitch as the cement binding agents are used for the construction of China's Great Wall and the sealed engineering Hanging Gardens of Babylon. [Asphalt], asphalt factory, three-level three-level chemical by chemical. Welcome to consult Chemical Co., Ltd. Jinan three levels (www.sanpinghuagong.com), be sure to specify when contact is through "business alliance members," see, thank you! Contact: Su Jingli