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| Our products
centrifugal steel pipe towers and pure steel pipe towers
made according to DL/T5030-1996 “Technical Criterion
of Thin Centrifugal Steel Pipe and Concrete Structure”
and DL/T646-1998 “Technical Conditions of Steel Pipe
Structure for Electrical Power Transmission Lines”
issued by Ministry of Electrical Power Industry have
passed the tests in Hangzhou Concrete Electrical Pole
Quality Testing Center of Ministry of Electrical Power
Industry. |
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