Communication: Communication can be a challenge when working with a supplier, especially if there is a language barrier. Ensure that you have a clear line of communication and that you understand each other.

Quality Control: Quality control is important to maintain the quality of the products. Set clear quality standards and conduct regular inspections to ensure that the products meet the standards.

Timely Delivery: Late deliveries can affect your business negatively. Set clear delivery timelines with your supplier and have a plan B in case of any delays.

Product Pricing: Negotiating a fair price can be a challenge. Research the market and have a clear understanding of the pricing before negotiating with your supplier.

Payment Terms: Payment terms can be a source of conflict. Set clear payment terms and ensure that both parties understand the terms.

Cultural Differences: Cultural differences can affect communication and the way business is conducted. Research the supplier's culture and learn how to conduct business effectively.