Hello I also have same problem with 1.9++ ltc withdrawal from coinexchange to cryptopia ltc address , its about 28hours & still not received my ltc & on block explorer does not show any transaction activity. ..already submit support ticket but no response. usually for ltc withdrawal take about 15 to 30 minute transaction to success..
For Your Info, after almost a week, My Ltc withdrawal from Coinexchange arrived in my wallet...
This withdrawal has now been reprocessed, please allow some time for the funds to be received. Our apologies for any inconvenience.
Sincerely,
CoinExchange.io Support Team