Dear Sirs,Please quote one 20 container of Chinese glass pin insulators for 10kV FCA or FOB city of loading in China.Features: Frequency: 50HzSmaller diameter of screw joint: 28+2mmWeight: ~5kgsUltimate mechanical strength KN, not less: 12,5Impulse voltage, kV, not less: 80Spacing (distance between cable and pin), mm, not less: 150It should be in conformity with Russian standards (GOST 1232), Russian name SHS 10G.please see the attached picture.Country:Kazakhstan