Some benefits of using straight thread sleeve for the construction industry: 1, the use of reinforced connecting sleeve in the construction industry can greatly reduce the use of materials, and simple, without limitation reinforced species composition. Prefabricated in advance, does not account for the duration, high processing efficiency. 2, straight thread connection sleeve with convenient, fast and simple construction without electricity, rain or shine, all-weather construction. 3, can be connected to horizontal, vertical, diagonal HRB335, HRB400 rebar same or different diameters. www.chinataotong.com