777国产精品永久免费,久久窝窝国产精品午夜看片,国产特黄A级三级三级三级,午夜福利无码国产精品中文,久久人妻夜夜做天天爽,国产成人一区二区三区视频免费,久久久亚洲欧洲日产国码a,日韩欧美国产综合视频,不卡高清av手机在线观,国产精品亚洲第一区在线观看

XUZHOU GUANHUA MACHINERY MANUFACTURE CO.，LTD. IS AN INTELLIGENT MANUFACTURING ENTERPRISE SPECIALIZING IN THE PRODUCTION AND SALES OF ENGINEERING MACHINERY, AGRICULTURAL MACHINERY, MACHINE TOOLS, WIND POWER AND METALLURGICAL EQUIPMENT ACCESSORIES. AT PRESENT, IT HAS FOUR INTERNATIONALLY ADVANCED  V-PROCESS CASTING PRODUCTION LINES, ONE STATIC PRESSURE LINE MOLDING LINE, THREE  RESIN SAND PRODUCTION LINES, AND ONE CLAY SAND PRODUCTION LINE. IT HAS ADVANCED  MACHINING CAPABILITIES, COMPREHENSIVE TESTING EQUIPMENT, AND A COMPLETE QUALITY  CONTROL SYSTEM. IT CAN PRODUCE AND PROCESS GRAY IRON AND DUCTILE IRON CASTINGS  OF VARIOUS GRADES. 

THE COMPANY HAS SUCCESSIVELY PASSED THE FIVE-STAR AFTER-SALES SERVICE CERTIFICATION OF GB/T 27922-2011 COMMODITY AFTER-SALES SERVICE EVALUATION SYSTEM STANDARD, GB/T24001-2016/1SO14001:2015 STANDARD ENVIRONMENTAL MANAGEMENT SYSTEM  CERTIFICATION, GB/T19001-2016/1S09001:2015 STANDARD QUALITY MANAGEMENT SYSTEM CERTIFICATION, GB/T 45001-2020/1SO45001:2018 STANDARD OCCUPATIONAL HEALTH AND SAFETY  MANAGEMENT SYSTEM CERTIFICATION, IATF16949:2016 QUALITY SYSTEM CERTIFICATION,FOCUSING ON PRODUCT QUALITY AND TECHNICAL INNOVATION, ENCOURAGE INDEPENDENT  RESEARCH AND DEVELOPMENT OR IMPROVEMENT OF PROCESSES OR TOOLS CONDUCIVE TO  IMPROVING PRODUCTION EFFICIENCY AND PRODUCT QUALITY. 

THE COMPANY HAS ALWAYS BEEN GUIDED BY THE STRATEGY OF "HIGH QUALITY, HIGH  EFFICIENCY, HIGH EFFICIENCY AND SUSTAINABILITY", CONTINUED TO PRACTICE THE NEW  DEVELOPMENT CONCEPT, FIRMLY ANCHORED THE PRINCIPLE OF "SPECIALIZATION AND INNOVATION", FIRMLY GRASPED THE UPGRADING AND TRANSFORMATION, AND ALWAYS ADHERED  TO CAREFUL MANUFACTURING AND SINCERE SERVICE.