About product and suppliers:
            111 ball joint hinge products are offered for sale by suppliers on Alibaba.com, of which eyeglasses frames accounts for 25%, furniture hinges accounts for 13%, and ball joints accounts for 5%. 

A wide variety of ball joint hinge options are available to you, such as lock. You can also choose from stainless steel, steel, and iron ball joint hinge

There are 109 suppliers who sells ball joint hinge on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Hong Kong S.A.R., from which the percentage of ball joint hinge supply is 68%, 25% respectively.