Qingdao Strong International Co., Ltd. is one of the leading and professional construction materials suppliers and the steel casting products suppliers which is welcomed all around the world. Our company is based in Qingdao, China, which is a seaport city and convenient for delivery. We have a group of professional technical people and salesmen here to supply you one to one service. Our scaffoldings include Ringlock systems, Cuplock systems, Kwikstage systems, Frame works, Shoring props, Walk platforms, column formworks and accessories. Our items are manufactured in accordance with the standard of BS1139, EN1065, AS1576 and/or EN74. Qingdao Strong has mainly dealt with development, renovation, manufacture and sale for the construction projects. OEM service is available according to customers requirements. Lost wax investment casting in carbon steel and alloy steel, is one of the large-scale professional investment casting ...[More] in China. Our precision casting parts are exported to Europe, America, Australia, India and South America. OEM casting service is available according to customers requirements. The materials which can be cast by investment casting are diversified. The materials have been explored by our company are more than 80 kinds. The material standards include National GB, American ASTM.AISI, German DIN and British BS. The applications of our products cover almost the whole mechanical manufacturing and processing application fields, such as mining, Engineering machinery, oil, ships, railroad, automobile, electric machine, hardware, agricultural machinery, appliance, construction. Our company has explored and produced more than 1000 different products.