The ostrich ink project was launched by ostrich ink limited of tianjin city and is presented at the core of the project as follows: founded in 1935, the ostrich ink was one of the first domestic ink manufacturers in china, and the brand was born against the background of the anti-imperialist patriotism. Its "ostrich" products have been rated as "tienjin's famous product", "national and tienjin's customer satisfaction product", "chinese consumers have believed in products" and have been awarded "china's pen-making trade brand product" and "china's ink king", which the state chamber of commerce and industry has designated as "china's nickname trademark". In addition, ostrich ink traditional production techniques have been selected for the list of non-material cultural heritage representative projects in the south cape. Product systems: ostrich ink products cover the three main categories of traditional writing ink, colour ink creation and industrial ink, creating more than 1,000 colou...