Design me a Product

I need to build small circuit board that will have 10 output channels for Hot wire connections. Each wire connected to that channel will be feeding small appliance consuming from 70VAC to 120VAC and needing 1Amp load per channel. Neutral single line will be common and capable to hold up to 10Amps. Once power applied to circuit board it has to energize all 10 channels one by one in a sequence, from 1 to 10th channel. Between each channel has to be time delay before it switch to next channel. Time delay could be set by user from easy to use controls, and such delay have to be in 1/4sec, 1/5sec, 3/4sec, 1sec or 1.5sec increments. If user choose 1/2 second delay, once power applied to circuit board it powers first channel, then after 1/2sec delay powers second channel, then after 1/2 sec powers third channel and so forth till tenth channel. Although user can set first five channels with one time setting, for example 1/4sec delay, and remaining 6-10 channels with 3/4sec delay. This way first five channels will be powered within 1.25 second: ( 1/4 sec ~ 1CH ~ 1/4sec ~ 2CH ~ 1/4sec ~ 3CH ~ 1/4sec ~ 4CH ~ 1/4sec ~ 5CH~ ). Remaining five will be powered within 7.5sec: ( ~3/4sec ~ 6CH ~ 3/4sec ~ 7CH ~ 3/4sec ~ 8CH ~ 3/4sec ~ 9CH ~ 3/4sec ~ 10CH ) When power cut off to circuit board (70VAC-120VAC) all channels turn off automatically together. There should be two controlling knobs or switches or something to choose time delay setting for the first 1-5 and last 6-10 channels. I also need to get two samples to test them in our project. Please give your quote for two samples including shipping and if you can 500 piece order. We also need to make sure it will be safe to use and satisfy strict safety standards against electrical, fire hazard, etc. Wire diagram and OEM parts list required. Thank you!