DMG-03-3D4，油研型手动换向阀
PV2R3-94-L-RRR-10，PV2R3-94-L-RRL-10，无锡油研，
截止阀系列
J6S41H-16C-DN200,J6S41H-16P-DN200,J6S41H-25C-DN200,J6S41H-25P-DN200,
GMVU906-M5-3,GMVU906-M5-4,GMVU906-M5-6,GMVU906-M5-8,GMVU906-M5-10,
AG440-3-4 二位二通多用途电磁阀
YQWXZ-G1/2-2/18,YQWXZ-G1/2-3/18,YQWXZ-G1/2-4/18,YQWXZ-G1/2-5/18,YQWXZ-G1/2-6/18,YQWXZ-G1/2-7/18,