Could you plz give me some advice

my family's company website, we are mainly engaged in the production, sales and packaging of fertilizer woven bags as well as all kinds of crop woven bags packaging bags.
I am now posting 3-5 articles per day on the news page of my website to ensure updates and traffic, but I am now clueless about outbound SEO, can anyone give me some advice?

Welcome, start by keyword research. There are lots of guides here about it and about off page seo. Use the search button.