... 700-88Features: manufactured according to customers' requirementsFor example:1) Bearing bar pitches may be 12.5, 15 to 30, 40, ... secure, wears well, non-sagging,non-dirt, and easy to install 4) Hot galvanizing standard: China GB/T13912-925) Wrapping: wrapping ... spray coating 6Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar 7StandardChina: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88 ...