When wellhead pressure, can kill manifold topumping heavy drilling fluid in well to balance thebottom hole pressure, prevent kick and blowout,Can use the choke line it connect directly spray,release the bottom hole pressure; Can also be used tosqueeze cementing operations to the mouth of the wel!jection water and fre extinguishing agent, Throughthe kill manifold single valve, or other fuid can onlyto the borehole pressure well liquid injection, and can'return in order to achieve the purpose of well killingand other assignments.I plant production of kill manifold with APISpec 16 c specification requirements; And can bedesigned and manufactured according to user's specialrequirements.