![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
Choose the best function which is most suitable for the following excerpts taken from a sales letter. Ours is one of the top 10 enterprises in the chemical industry in the world, staffed with over 500 first-rate high-tech professionals. In the past decades, the sales of our product has been constantly increasing in Europe, North America, Japan and Southeast.