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Our management concept is to produce high quality products by using advanced technology. We have nearly **0 middle and high level specialized technical personnel who have great skill in research and development and technical innovation, also we have more than *0 sets large scale numerical control and automated production equipments. We adopt the most advanced production technology and manufacturing technique and practice total quality management. In the past years, our company’s technical level and product quality are in the lead in this industry all along. We keep long term good cooperation relationship with domestic large scale oil field, coal mine, municipal engineering and traffic departments. We set up regular business relationship with more than *0 countries and regions, for example, the USA, Japan, Russia, Australia, etc.