1.Wellhead Christmas tree-drilling equipment 2. Standard:API 6A, ISO 9001,API Q1 3. WP:2000-15000psi Wellhead Christmas tree- drilling equipmentStandard:API 6A, ISO 9001,API Q1Application:Oil drilling WP:2000-15000psi .2, Medium:Oil,Gas,Mud3, T.C.:-46°C~121°C(L.U)4, M.C.:AA,BB,CC,DD,EE,FF5, PSL:PSL1~PSL46, PR:PR1~ PR2 Inspection Test Pass Before packingRadiographic TestUltrasonic TestLiquid ...