Is the address below a valid address.
I have to return a package to this address
Shipping address: S2-2, No. 38, Jufu Road, Qingxi Town, Dongguan City, China, number: 19988386939, zip code: 523648, name: Ma Liyu

Tianyun Trading Co., LTD
Room 4, No. 24, Qiaodong Road, Chuzhou Minggauang, Anhui 239400 CN

Hello,
I need to validate this address:

518116
5A07, Block A, Bulong City, No. 20 Bulong Road, Sanlian Community, Jihua Street, Longgang District, Shenzhen, Guangdong Province
China
The post code checker says it is invalid.
Thank you.