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About product and suppliers:
        Alibaba.com offers 952 twist lock socket products. About 1% of these are lamp holders & lamp bases. 

A wide variety of twist lock socket options are available to you, such as metal, plastic. You can also choose from free samples, paid samples. 

There are 952 twist lock socket suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of twist lock socket respectively. 

Twist lock socket products are most popular in Domestic Market, North America, and South America. 

You can ensure product safety by selecting from certified suppliers, including 658 with ISO9001, 20 with Other, and 18 with BSCI certification.