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 asphalt was expanded range of applications, so that in the near to Mesopotamia, India and Europe, natural asphalt as a sealing material for the baths, boats, drains, toilets and embankments. Shandong asphalt, asphalt has been put into use in road construction in the seventh century BC Assyrian empire and the Babylonian empire. 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. As a low-cost building materials and different pitch, the 15th century Inca empire in Central and South America, people asphalt for pharmaceutical purposes. March 22, 1595 the price of asphalt, Walter Raleigh in the adventure on the way to Trinidad found a natural asphalt lake. Even today people are still emerge from the ground in this own asphalt road construction. China bitumen market is still in short supply in the state of asphalt, especially those high-end asphalt market in China is to be excavated talented people and many of the ordinary road asphalt manufacturers, but less professional asphalt manufacturer, we We should gradually improve the professional asphalt manufacturers, to make up for the growing market demand for professional asphalt. Asphalt spot, three flat chemicals, asphalt provided by Jinan three ping Chemical Co. Jinan three ping Chemical Co. (www.sanpinghuagong.com) quality of service and products, continue to receive the recognition and trust of new and old customers and the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!