Fetching details from the dictionary...
to build a market for; to promote (a product); to sell; to become well known
to promote oneself; to sell oneself
to sell heavily
自社製品を海外市場に売り込んだ。
Promoted our company's products to overseas markets.
営業担当者が熱心に製品を売り込んでいる。
The sales representative is actively promoting the product.
チャンスを見つけて自分の才能を売り込む姿勢が大切だ。
Seize opportunities and promote your talents.