200A (碳钢) 调整型,
GID-250A (碳钢) 调整型, 调整型电动高真空蝶阀GID-300A (碳钢) 调整型,
GID-400A (碳钢) 调整型,GID-50A (不锈钢) 调整型,GID-63A (不锈钢) 调整型,
GID-80A (不锈钢) 调整型, 调整型电动高真空蝶阀
GID-100A (不锈钢) 调整型,GID-125A (不锈钢) 调整型,GID-150A (不锈钢) 调整型,
GID-200A (不锈钢) 调整型,GID-250A (不锈钢) 调整型,GID-300A (不锈钢) 调整型,
GID-400A (不锈钢) 调整型,
GI-50C,高真空调节式蝶阀GI-65C,GI-80C,GI-100C,
QY18-168/8-15,QY10-220/8-15,油浸式潜水泵
QY65-42/3-11,QY18-1