Dear SirsWe are looking for a sieve shaker similar to RO TAP, model TYLER RO TAP. oscillation per minute 278 and oscillation displacement 1-1 8x7 16.Please let us know if you handle something similar, if so, quote us 2 sets.Kind regardsPedroUse range:≤ 325 meshUsage:Abrasion TesterPower:Electronic