We Wenzhou Wengong Engineering Machinery manufacture and supplier for plastering machine,grouting pump,concrete machinery ect. We have over 47 years experience in production and sales in China domestic market, and over 21 years for exporting to overseas.Based on the domestic leading technology and international cooperation R & D advantages, together with Germany NORD, CELLMANN and other famous companies to import advanced management concepts and management models, improved product quality management system. Following the ISO9001 quality management system, and with full implementation and effective operation of it, we are able to ensure product's quality and stability.