Ajinomoto Althea Inc., the biopharmaceutical contract development and manufacturing company, has opened a 57,000-square-foot manufacturing facility in Sorrento Mesa to complement its existing campus.

The company’s Antibody Drug Conjugate and Highly Potent Fill and Finish facility is at 6175 Lusk Blvd.

The facility has areas dedicated to bioconjugation, formulation, purification, quality control, and sterile fill and finish — including the freeze-drying process known as lyophilization.

Althea celebrated the opening of the new building, and 20 years in San Diego, during ceremonies Aug. 27.

Japan-based Ajinomoto bought Althea in 2013 for about $175 million.