A surge in Chinese cross-border technology and telecoms deals has helped mergers and acquisitions in Asia Pacific cross $1 trillion for the first time but mainland banks are missing out on the payoffs as they badly trail global rivals in advisory work. While low fees have helped Chinese banks to win market share from U.S. and European counterparts in stock offerings and loans, they figure nowhere among the 10 biggest M&A advisers by value of deals, Thomson Reuters data up to the end of November showed.