Registered in 2002, Weihai Yanfeng (OSPWH) is located in Weihai Economic Development Zone, Shandong Province, China. With a production space of nearly 4,000 sqm, the company has 70 employees and an annual turnover of 20 million RMB (2.79 million USD) in 2021. In its 20-year journey from private enterprise to the acquisition by Japan-based OSP Holdings, Weihai Yanfeng has transformed its operations by upgrading both its hardware and software. Entering the China market