GuanKe (NanJing) CHEMICALS CO.,LTD. was established as a specialty manufacturer and supplier in 2007, located in Nanjing City.The head office is near Tianjin Xingang Port, which enables us to do international business well with Convenient transport. As a Manufacturer, it is approved by the state and working on chemicals production and sales. Enjoying the right of importing and exporting chemicals with great quality ...