Pwensipal pwodwi zòn nan lay nan Lachin: Yongnian County, Hebei Pwovens, Pizhou City, Jiangsu Pwovens, Qi County, Zhongmou County, li Bingma vilaj, Shandong Pwovens, Jinxiang County, Shanghe County, Cangshan County, Guangrao County, Chiping County, Chengwu Konte, Sheyang County, Taicang City, Jiangsu Province, Jiading City, Shanghai, Bozhou City, Lai'yon konte, Anhui Pwovens, Wenjiang County, Pengzhou City, Sichuan Pwovens, Dali, Yunnan Pwovens ak Xinjiang.
Ak diferan zòn gen diferan kalite lay, tankou pizhou, prensipal pwodwi lay se pi bon kalite lay blan; ak Qi konte gen pi plis nan lay blan nòmal nan zòn sa a
