Tell you, in Tangke Town, Haifeng County, Shanwei City, Guangdong Province, China, almost everyone here does gem processing. There are many kinds of tourmalines here, including blue tourmaline, red tourmaline, pink tourmaline, two-color tourmaline, watermelon tourmaline, tourmaline cat's eye and so on. There are high-grade A goods with uneven quality, as well as ordinary brown tourmaline and defective tourmaline. Another place is Liwan Square in Guangzhou, which is also a relatively large distribution center for tourmaline.