Date of Shandong CIGNA Ltd. is located in Laiwu, Shandong Province High-tech Development Zone, is a set design, development, production and sales of specialized oral care product manufacturers.

• 山东信诺日化有限公司位于山东省莱芜高新技术开发区，是一家集设计、研发、生产、销售为一体的专业化口腔护理产品的生产企业。