QINGDAO GLOBAL OVERSEAS IMP&EXP CO.,LTD represent some of the most famous Chinese enterprises specialized in producing and exporting high-strength low relaxation pre-stressed steel wire and strand, which annual output is: PC Strand 65,000 mtns, PC wire12, 000 mtns, and Metal Duct Pipe 500,000 ms. QINGDAO GLOBAL OVERSEAS IMP&EXP CO.,LTD have reached, during the 20 years of activity, high professional experiences, manufacturing the products under German knowhow and Mannesman technologies and processing lines, achieving in the 1997 the ISO 9002 Quality System Certificate. At the moment, the Company can produce, according to the market and customers requirements, various sizes of pre-stressed strand: 15, 70 mm, 15, 24 mm, 15, 20 mm, 12, 90 mm, 12, 50 mm, 12, 70 mm, 9, 53 mm, 9,50mm, 9, 30 mm, bonded and PE coated. All the products are manufactured in accordance with ASTM A 416/A416M-12a, BS 5896-1980, AS-NZS 4672, GB/T 5223, JIS G 536, EN 10138, IS 14268, NBR7483:2008 and so on.All the productions, fully being supported by the related international quality standard certificates, are sold in China and exported to more than 57 Countries of the 5 Continents. Being the United States market and middle east market, some of the most important destinations, Global Overseas Group have achieved the PTI - Post Tensioning Certificate Institute-:the member, and the Dubai Municipality-: the Plant Certification.Global Overseas Group also has developed during his intense and constructive activity a high tech knowhow, for offering to the customers a full range of fittings, to complete the Post Tensioning Concrete System.-Fixed End Anchorage System,-Equipments: Jacks, Pumps, Mixer, Duct Machine-Plastic System