Step by step tight (also known as the template reinforcement, Grilled ditch, sickle card, fasteners) 30 × 8,30 × 7,28 × 7,25 × (0.6-1.5) meter is a new type of construction equipment, our factory production step by step step using tight quality 205 manganese carbon structural steel, processed through state-of-the-art equipment, the structure is simple, elegant appearance, practicality, to adapt to the beginning of construction of the wall frame buildings, bridges, each branch of the ring beam, arm column institutional reinforcement applications, easy to use, fast, and save a lot of working time, improve work efficiency, they could save a large number of timber, replacing the traditional method of wire bundles, Luo rod screw method, solid circle Gasser law, has been successful in the country The practical value of major construction sites to the implementation of applications, products get the praise of the user.