HFRT/PHFRT15/16/17/18/20/22/25/30/35/40/50-1000/900/800/700/

HFRT PHFRT15 20 25 30 35 40 50-L-2 2.6 3 4 5 6 8-SC 替代MSM

HFRT PHFRT15 20 25 30 35 40 50-L-10 12 16 20 24 30-SC替代MSM

HFRT-倍加福议价+议价-RL29--德国81200P