Absolutely! Visiting Zhengzhou, Kaifeng, and Yinchuan will immerse you in the rich culture and history of China. Here are some travel tips for your visit:

Best Time to Visit:
The best time to visit these cities is in Spring (from April to June) and Autumn (from September to November). During these times, the weather is generally pleasant and suitable for outdoor activities.

Route and Accessibility:
You can start your journey from Beijing or Shanghai and take a high-speed train to Zhengzhou. From Zhengzhou, Kaifeng is just a short train ride away. For traveling to Yinchuan, a direct flight from Zhengzhou or an overnight train is available.

Altitude and Acclimatization:
Zhengzhou, Kaifeng, and Yinchuan are not located at high altitudes so altitude sickness is not a concern. However, it's good to stay hydrated and rest after your flight or train journey to these cities.

Accommodation and Booking:
It would be best if you book your accommodations in advance since these cities are popular tourist destinations. There are plenty of hotels ranging from luxury to budget accommodations. English may not be widely spoken in hotels and guesthouses, so it's recommended to have a translator app handy.

Clothing and Essentials:
Pack clothing according to the season of your visit. An umbrella may be useful during spring and autumn due to occasional rain showers. Don't forget to carry essentials like sunscreen, hats, comfortable shoes for walking and exploring the cities, and necessary travel adapters for your electronic gadgets.

Health and Safety:
Ensure you are up-to-date with essential vaccines before your travel. Carry a first aid kit and essential medicines. Tap water is not generally safe to drink in China, so always opt for bottled water.

Local Etiquette and Respect:
In China, respect for traditions and local customs is appreciated. When visiting temples or other historic sites, observe signs and avoid loud conversations. Chinese people appreciate modest dressing, especially at religious or sacred sites.

Remember to learn a few basic phrases in Mandarin, as it can greatly help your interaction with locals!