Sino-US relations have gone through many trials, but the Chinese side has consistently adhered to the principles of mutual respect, Zhang Hanhui said MOSCOW, January 22. /TASS/. Beijing supports the development of dialogue with Washington, Chinese Ambassador to Russia Zhang Hanhui said in a column for TASS. "Sino-US relations have gone through many trials, but the Chinese side has consistently adhered to the principles of mutual respect, peaceful coexistence, and mutually beneficial cooperation,