Founded in 1975, Sera is one of the world's leading manufacturers of aquarium products. Before the company was founded, Joseph was already well-known in the live bait sales industry. He made a revolutionary breakthrough in the feed industry by introducing vacuum freezing technology at Sera. Sera produces a wide range of feed products, and its reputation as "Made in Germany" and its excellent quality are well received in the international market. For 40 years, Sera has been one of the most influential manufacturers in the world, with a high brand influence and market share.