Research online: Do thorough research of the different handbag manufacturers online. Check their websites, social media profiles as well as online marketplaces such as Alibaba, Amazon, etc.

Check for reviews and testimonials: Make sure to read reviews and testimonials of the manufacturers from their previous clients.

Assess their expertise: Look for manufacturers who specialize in the type of bags you want to produce.

Quality of materials: Ensure that the manufacturer uses high-quality materials for the products they create.

Production capacity: Determine whether the manufacturer has the production capacity to meet your specific requirements.

Location: Consider the location of the manufacturer in relation to where you are located to help minimize shipping costs and delivery times.

Customer service: Consider the manufacturer's customer service and communication skills. Can they respond quickly to your queries or concerns?

Pricing: Finally, compare the pricing and the quality of service offered by different manufacturers. Choose a manufacturer who offers the best combination of quality of service and competitive pricing.