Shandong Gold Industry Machinery Co., Ltd. is a professional production and sales of Shandong: Straight thread sleeve, rolling machine, reinforced mechanical connection equipment and sleeve, such as Professional Company, the annual production of 24000000 straight thread sleeve, rolling machine 300 and related products. Company products have passed /ISO9001 quality management system certification. Our company has strong technical force, complete production equipment, complete testing means, a sound management system and improve the quality assurance system. Products straight thread sleeve has been widely used in hydropower station, railway station, railway, road, bridge, tunnel, airport, stadium and other national key projects and common DAB project. Shandong Gold Industry Machinery Co., Ltd. Wish to high-quality product quality and warm and thoughtful after-sales service at home and abroad construction industry friends to establish extensive contacts and sincerely cooperation, mutual reciprocity and mutual benefit, pioneering and enterprising, create construction industry a better tomorrow.