Four kinds. There are four kinds of special lampblack in Shanghai Mo Factory: lampblack 10 1 (five-stone lacquer smoke), lampblack 102 (super tribute smoke), lampblack 103 (tribute smoke) and lampblack 104 (top smoke). Shanghai, referred to as "Shanghai" or "Shen" for short, is the largest economic center and an important international financial center city in China, and the first batch of coastal open cities.