... an integrated high-tech enterprise, which manufactures various types of Cold formed steel sheet piling, and brings R&D, production, ... vibratory hammers to form an impermeable barrier2 Brief introduce of Cold formed steel sheet piling : 1) Excellent strength / weight ratio / ... tolerances6)materail : Q235 , 2mm to 12mm 3. Effective of Cold formed steel sheet piling cofferdam : The following are some of ...