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About product and suppliers:
        Alibaba.com offers 1,906 casing collar products. About 72% of these are mining machinery parts, 1% are pet collars & leashes. 

A wide variety of casing collar options are available to you, such as carbon steel, high manganese steel, and carbide. You can also choose from well drilling, ore mining. As well as from forging, casting. And whether casing collar is drilling tool, or drilling equipment. 

There are 1,902 casing collar suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Chile, which supply 99%, 1%, and 1% of casing collar respectively. 

Casing collar products are most popular in Southeast Asia, Mid East, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,906 with Other, 723 with ISO9001, and 95 with ISO14001 certification.
        
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