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About product and suppliers:
        Alibaba.com offers 882 material of gear hob products. About 1% of these are steel pipes. 

A wide variety of material of gear hob options are available to you, such as iron, steel, and stainless steel. You can also choose from free samples, paid samples. 

There are 882 material of gear hob suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of material of gear hob respectively. 

Material of gear hob products are most popular in Southeast Asia, Domestic Market, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 353 with ISO9001, 67 with Other, and 27 with ISO14001 certification.