High quality raw material

The fence used the low carbon steel wire with low Manganese and Silicon; with high properties for painting and impacting for the welding points; and there is no hardened & quenched structure.

Top outdoor weather ability

Used top surface dealing process, the products have excellent adhesion, good solidfication force and high weather resistance. They could be 10 year's guarantee after acid, alkali and snow destructive test.

Professional production process, Top technology.

DSA fence use the auto welding line to control the quality from preparing to leading. Auto cleaning, painting and solidification process make the fence meet export standard.

Top quality guarantee

6 process to quality the fence, and 25 items special test for each batch fence. DSA has its own quality test room, sole quality control depart and destructive test depart to control the quality.

The main fence supplier in China and World

DSA covers over 20000m2, R&D, produce and sale in a professional unit. It exports one million dollars each year and is the main fence exporting company in China.

The famous supplier for qualified fence

DSA have a very good cooperation with the following customers: VALE in Brazil, CECO in USA, OUTOTEC in Finland, REFRACTA in Spain, SHELL, METSO, China Airport Construction Group, Mengniu, Nankai University, China Road and Bridge Corporation, etc.