Screw Centrifugal PUMPS Test Report - Provincial Inspection-Core Competitiveness - WEIR JICHUAN PUMPS (JIANGSU) CO.,LTD. - Manufacturer of Unidirectional / Bi-Directional Submersible Full-Flow Pumps, Vertical / Sled-Type Submersible Mixed Flow Pumps and Submersible Axial Flow Pumps