computer software, business process consultancy, education and training software, data collection cards, local area network (lan) or wide area network (wan) transformers, printed purchase orders, media sales management, enterprise resource planning (erp), professional services automation (psa) consultancy, financial risk management, business intelligence (bi) design, web site based training (wbt) software, consumer packaged goods (cpg) supply chain management (scm) available from yangyi software ( shanghai ) co.,ltd based in los angeles, ca. click the links below to visit our website or contact us via our profile page.