... oil and gas wells including all components like base plate, casing head, tubing head, flanged adapter, gate ... , needle valve, pressure gauge, cross, choke valve, tree cap etc. MaterialCerfitcationDelivery tiemPackingPaymentDD/EE AISI 410/4130API 6A ... 14024~8weeksBy wooden caseT/T, L/CWellhead Christmas tree parts Inspection Test Pass Before PackingRadiographic TestUltrasonic TestLiquid ...