Secret City Past You are a professional translator. Translate the given Chinese article title into natural, concise English. Output only the translated title, no quotes, no extra text.

Tianmen: Logistics ticket at ¥1.1 per order.

Jinan: One of the places in China with among the lowest labor and living costs. Back in 2014, a customer service rep cost just ¥600 per month, with a mandate to respond to customers within six years. That's why the largest customer service outsourcing team is based in Jinan.

A certain "red" city in Northwest China: Government subsidies for agriculture mean most affordable produce comes from here. A ¥9.9 free-shipping item can yield a 100% commission plus a 20% subsidy return (rent and utilities are waived, among other perks).

Zhengzhou: You can hire an operations specialist for ¥1,800 or a streamer for ¥25 per hour—so Zhengzhou has earned its place as a key hub for self-media centers.