Dongguan chengyu business consulting co., ltd is dongguan chengyu online loan 1. Dongguan Chengyu is an Internet finance company registered in Dongguan, Guangdong Province, which provides P2P lending platform services. As an online lending platform, Dongguan boasts of providing lending services for individuals and enterprises, which makes the circulation of funds more convenient and meets the needs of both borrowers and lenders.