Qingdao Xinyuanzhu Machinery Co., Ltd.Has been committed to the design, development and manufacture of casting machinery such as sand casting processing equipment production line, resin sand casting production line, clay sand casting production line, lost foam sand casting production lineQingdao Xinyuanzhu Machinery Co., Ltd.Has been committed to the design, development and manufacture of casting machinery such as sand casting processing equipment production line, resin sand casting production line, clay sand casting production line, lost foam sand casting production line