1. Sin Chai Village is a traditional Hmong ethnic minority village located in the Sapa region of Northern Vietnam. The village is known for its stunning rice terraces, vibrant cultural heritage, and warm hospitality of the local Hmong people. The village offers a unique opportunity for visitors to experience traditional Hmong customs, clothing, and way of life.

2. As Sin Chai Village is a small rural village, there is no specific working time. However, visitors can usually explore the village throughout the day. It is recommended to arrange a visit through a local tour guide or agency. Phone numbers for specific contacts in the village may not be readily available.

3. There is no official entrance fee to visit Sin Chai Village. Visitors can typically arrange transportation to the village through tour companies in Sapa or by hiring a local guide. Transportation options may include hiking, biking, or motorbike rides through the scenic mountainous region to reach Sin Chai Village. It is advisable to check with local tour operators for the most up-to-date information on transportation options and arrangements.