Be responsible for participating in the review of business model and project approval, reviewing the feasibility of business model, providing reasonable suggestions to ensure profit and risk control; Be responsible for cost calculation, profit calculation and cash flow calculation in project bidding, providing decision-making support for the business; Be responsible for business negotiation, contract review, business, finance and tax, foreign exchange consultation and support, to prevent business, finance and tax, foreign exchange and payment and other risks in the contract; Be responsible for the inspection during the contract performance to ensure the project delivery is consistent with the contract; Be responsible for participating in overseas double-counterattack investigation, overseas trade protection measures and export control; Be responsible for the implementation of MTC process in the region (MO, review and decision, etc.)