不锈钢阀门
接头
钢管和法兰盘
SMLS
WELDED
SPECIAL
BLIND-F
NECK-W-F
PLATE-F
SLIP-ON-F
SLIP-ON-FT
W-N-F
地址:宁波市江东区华侨城明珠阁 9B 邮编: 315040
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