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Hebei Great Electricity Piping Equipment Co., Ltd. Co.,LTD . .
. 300 .



ISO9001 . . . .


1. 20 .
2. .
3. .
4. .


1990 . .
.

    2. . ...
    2. . .
    2. . ...
    2. 2.5MPa . .
    2. . Hebei Yanshan County Electricity Pipe-Fittings