Tactica - e-Tendering, e-Sourcing and e-Procurement Solutions | 116 followers on LinkedIn. Turn Spending Into Savings | Tactica has been providing e-Tendering, e-Sourcing and e-Procurement solutions in Asia since 2004. We have provided Strategic Sourcing services and solution for many Fortune 500 companies in Asian countries particularly Mainland China. We have delivered services to users in countries including China, Australia, Japan, Thailand, Philippines, Malaysia, Singapore, Korea, India, Indonesia, etc.