Here are some excellent Chinese factories/suppliers in different fields that I met during my work. Each website will have a reason for recording.
JingXiang is a top 3 manufacturer offering luggage handles and wheels in China and specializes in designing and producing high-quality luggage replacement accessories, such as telescopic luggage handles, suitcase wheels (casters), and other custom plastic parts.
Reason for record: A very cost-effective manufacturer in the field of trolleys, with a good performance between price and quality. If you need to customize a suitcase and you are looking for suitcase accessories, JX is a good choice. Luggage Handle product catalog: https://www.jxluggageparts.com/product-category/luggage-handle/
A manufacturer of replacement luggage components
