Letong Chemical Co., Ltd. engages in the development, production, and distribution of ink products. It operates through the following segments: Ink Manufacturing and Internet Advertising Marketing Business. The Ink Manufacturing segment include products such as gravure ink including label ink, composite ink, polyvinyl chloride ink, flexographic ink, screen printing ink, and offset printing ink. The Internet Advertising Marketing segment provides advertisers with services such as media purchasing, precise delivery, innovative production, design solutions, technical support, agency promotion and other services on the Internet platform to meet the marketing needs of customers and assist advertisers to complete brand building plans. The company was founded on November 13, 1996 and is headquartered in Zhuhai, China.