Some are, and some are not. Most mugs manufactured in the last 20 years are dishwasher-safe, and they are marked as such on the bottom. China mugs that are older than 20 years, and those that very fine and/or thin china, would be better off washed by hand.
Yes, the sealant used for mugs is dishwasher safe.
Yes, china is dishwasher safe.
Most travel mugs aren't as they have lead and special metal, that will become contaminated and making the cup unusable if put in the dishwasher. However, you can always check with your maufactuer.
Generally yes, as long as there is no metallic rim or design on it then it is dishwasher safe. If there is any metallic on the china it must be hand washed
Yes, the mugs are oven safe.
Yes, these mugs are oven safe.
China mugs are generally more expensive online than regular mugs. China mugs are more expensive because they are of a better quality and they have much more detail.
If it's a water based paint it will wash off. If it's oil based it will come off only with thinners.
Yes, the PP5 dishwasher is safe to use in the dishwasher.
Bone china mugs are available for purchase at Amazon, eBay and specialty shops. An interesting specialty shop that markets bone china mugs is The Mugstore. The Mugstore offers a variety of bone china mugs that would suit just about every need.
Usually they're dishwasher safe. If not, just clean in hot soapy water the same way that you would clean plates/mugs.
I don't think so, because, that sounds kind of bad/violent to use that kind of brand for your dishwasher, if your in china, or whatever you said.