Simplify the following text for a Grade 8 native English-speaking person.
Original: Beuchat International , known as Beuchat , was established in 1934 in Marseille , France and is now a worldwide leader in the design , manufacture and marketing of underwater equipment .
Simplified: Beuchat International , known as Beuchat , is a company that builds and sells underwater equipment . It was established in 1934 in Marseille , France .