- ThepostcodeofLeduCounty,HaidongPrefecture,QinghaiProvince,Chinais810700.ThewatersourceofYinshenggou,istheonlyandimportancewatersourceforLeducounty,andnowitisthelifelineoftheeconomicsustainabledevelopmentofLedusociety.LiuWanpaintedpotteryislocatedinLi...
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