Zhongshan Dajin caster Co.,Ltd. strives to be the customer's favored supplier by delivering unswervingly high-quality products, such as 5 inch swivel caster with brake-4 heavy duty swivel casters. We proactively examine any new accreditation standards that are relevant to our operations and our products and select the materials, conduct production, and quality inspection based on these standards.. Dajin caster established by our company has been popular in the China market. We constantly keep trying new ways of increasing the current customers base, such as price advantages. Now we are also expanding our brand to the international market - attract global customers through word of mouth, advertising, Google, and official website.. We have created an easily accessible way for customers to give feedback through Dajin caster. We have our service team standing by for 24 hours, creating a channel for customers to give feedback and making it easier for us to learn what needs improvement. We make sure our customer service team is skilled and engaged to provide the best services..