Ho Po, a Chinese labor contractor from San Francisco, sent 150 of his countrymen to build Buena Vista. Courtesy of Buena Vista Winery hide caption toggle caption Courtesy of Buena Vista Winery The Salt Chinese Laborers Built Sonoma's Wineries. Racist Neighbors Drove Them Out July 13, 2017 Enjoying a chardonnay or cabernet sauvignon? In the 1800s, Chinese immigrants helped introduce those iconic varietals to California's wine country. But as vineyards grew, so did anti-Chinese fervor.