China Pearl of San Marino, Calif., is celebrating its 20th year in business. To mark the anniversary, the company has produced a special DVD documentary titled Pearl Harvest and a handbook titled The Fundamentals of Pearls.

The DVD is produced by company president Harold Jabarian and directed by Gianfranco Rosi, while the handbook is designed to be an educational tool that offers scientific information about all different varieties of pearls.

For more information, contact China Pearl, CPI Center, 2596 Mission St., San Marino, CA 91108; (626) 799-9500, www.chinapearl.com.