地址:河北省孟村回族自治县希望新区
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PRODUCT STANDARD 产品标准
对焊管件 BUTT WELDING FITTINGS
GB/T12459GBT13401GB/T10752
SH/T3065SH/T3408SH/T3409
SYT5257SYT0609SY/T0518SY/T0510
DL/T695DLT515GD2000GD87-1101
HGT21635HG/T21631
ASME B16.9 ASME B16.49 ASME B16.25
MSS SP75 MSS SP43
CSAZ245.11
EN10253-1-EN10253-4
D1N2605D1N2615D1N2616DiN2617
BS1640-1-BS1640-4BS1965-1-BS1965-2
G0ST17375GOST17376G0ST17378G0ST17379
AFNOR NF A49-289
AFNOR NFA170-1-AFNORNFA 170-4
ISO3419 ISO5251
JIS B2311 JISB2312 JISB2313