... Tools Co.,Ltd is one of the top level well testing manifold manufacturers and suppliers,Website:http://www.zztopdownhole.com, with ... extreme sour gas service. The manifold is designed with any types of chokes: Positive, adjustable or Automatic and automatic chokes with ... buffer chambers, spools, crosses and tees. All parts of well testing manifold are manufactured as per API6A. And the choke manifold ...