Allen

Shanghai Yuxuan Information Technology Co., Ltd. is an education technology company based in Shanghai, China. The company offers personalized Mandarin Chinese training, higher education, and career development services using AI technology. The company's smart learning solutions include speech recognition, character writing, personalized daily reviews, animated videos, and other features that match the user's Chinese learning style. The company was founded in 2018 by Wendy and Allen. Allen has been the CEO since 2018.

Shenzhen Changxing Technology Co. Ltd. manufactures and supplies diamond tools. The firm offers electroplated, metal-bonded, resin bonded, vitrified bond, brazing, glass tools and machinery products. It serves the ceramics and optical glass industries. The company was founded in 1993 and is headquartered in Shenzhen, China.

Shenzhen Changxing Technology Co. Ltd. manufactures and supplies diamond tools. The firm offers electroplated, metal-bonded, resin bonded, vitrified bond, brazing, glass tools and machinery products. It serves the ceramics and optical glass industries. The company was founded in 1993 and is headquartered in Shenzhen, China.