Main business;; Henan Yongchang used construction machinery (1) crane maintenance; (2) Construction equipment rental; (3) the sale of second-hand crane; (4) Used crane refit identification. Operating cranes brands are: 1 operating cranes brands are: 1 Loader Caterpillar, Komatsu. Crane Maintenance: wire rope maintenance. Relevant data indicate that Tadano cranes, wire rope from the above analysis known lubricating a great impact on the life of wire rope. For wire rope lubrication systems, it can extend the life of the rope 23 times, Qingdao Tadano crane, so Fujian Tadano cranes, wire rope should be lubricated regularly, especially elevator rope, maintenance is more important aspects of the work, making it often is in good lubrication state. Guangdong Tadano cranes, Yongchang Machinery (certified), Tadano cranes by Henan Yongchang Engineering Machinery Co., Henan Yongchang Engineering Machinery Co., Ltd. (www.tadanocrane.net) Henan Anyang, engineering, construction cranes leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Yongchang machinery leadership with the staff warmly welcome all inquiries negotiations to create a better future Yongchang machinery.