... product standard: China YB/700-88Features: manufactured according to customers' requirementsFor example:1) Bearing bar pitches may be ... 12.5, 15 to 30, 40, 60, 80 and 90mm; of which ... secure, wears well, non-sagging,non-dirt, and easy to install 4) Hot galvanizing standard: China GB/T13912-925) Wrapping ... , 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etcUS standard: 19-w-4, 15- ...