OPM, one of the leading supply chain compliance consulting institutions in China, is a professional service company in the fields of factory scientific management consulting, international standards and supply chain compliance consulting, IT intelligent management integration and so on. Head Office Lingyan Enterprise Management, established in 2012 in Shanghai. At present, the service network covers Greater China, Southeast Asia and the Belt and Road economic corridor, covering factory inspection, systems, certification, big data and so on. In the global carbon emission control as the trend of the trading environment, the factory will always be committed to supply chain compliance business to contribute a high standard of professional consulting services.