GDFW-03-2B4B-A220-50,矿用防爆电磁换向阀
DSG-2D9A-02-D2-10，DSG-2D9A-02-R1-10，DSG-2D9A-02-R2-10，
SBSG-03-3-2B3B-A1-10，SBSG-03-3-2B3B-A2-10，
ZCT-10-T-*-22 行程减速阀 YUKEN 油研
BSHG-06-3-2B3B-A5-10，BSHG-06-3-2B3B-D1-10，
BTB723950-10,BTB723950-15,BTB723950-20,BTB723950-25,BTB723963-32,BTB723980-40,BTB723980-50,