Welcome to Zhongwei Singing Bowl Factory.-Your online source for Crystal Singing Bowls and Vibrational Healing Tools. We are a factory mainly producing Crystal Singing Bowls in China.We invite you to learn about our high quality, pure quartz singing bowls. Each bowl is made using a unique patented process, which results in strong bowls with an incredibly pure tone. All our bowls are made ONLY with 99.99% pure quartz crystal.