SIUIisanISOcertifiedcompanyandhasbeendedicatedtoR&D,manufactureandsalesofUltrasonicFlawDetectorsformorethan40years.SIUIhasestablishedadvancedmanufacturetechniqueandwidespreadsalesnetwork,withitsproductsservinginmachinery,metallurgy,railway,shipbuilding,aircraftandbuilding.SIUIhasacompleteproductline,includingphased-arrayultrasonicflawdetectors,conventionalflawdetectors,thicknessgauges,crawlersandupto1,000typesofprobesandaccessories.

葡萄城成立于1980年，是专业的软件开发技术和低代码平台提供商，以“赋能开发者”为使命，致力于通过各类软件开发工具和服务，创新开发模式，提升开发效率，推动软件产业发展，为“数字中国”建设提速。