WJ41德标截止阀
WJ41德标波纹管截止阀
WJ41H美标波纹管截止阀
WJ11F美标内螺纹波纹管截止阀
WJ41H美标(A105)波纹管截止阀
WJ41H国标直波式波纹管截止阀
WJ41H国标(A105)波纹管截止阀
GL41H新型过滤器
WZ41新型美标波纹管闸阀
上海百钢阀门集团有限公司 • 百炼成钢
Shanghai Baigang Valve Group Co., Ltd • Be toughened and hardened into steel