Datang: Create a Technological Empire from Scratch!

System message: Travel through the Tang Dynasty in three days! You can only carry one hundred grams of items, and you only have three days of photographic memory. What would you do if that were your choice? The most hard-core science and technology novel on the Internet No system tasks No task rewards Jiang Feng, a front-line worker in a chemical factory, was chosen as a time traveler and could only bring a mere 100 grams of items and memories to the Tang Dynasty. Tang poetry, Song lyrics and Yuan music, memorize them! Gunpowder cement formula, memorize it! Iron and steel smelting technology, back! World map, global minerals, agriculture, forestry, animal husbandry and fishery, mechanics and electronics, biomedicine, history, back! Back! Back! Back! Iron smelting and gold refining Three acids and two bases biomedicine Build an industrial technology empire from scratch! . This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.