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About product and suppliers:
        Alibaba.com offers 14,547 operating block products. About 1% of these are blocks, 1% are wooden toys, and 1% are bending machines. 

A wide variety of operating block options are available to you, such as plastic, wood. You can also choose from diy toy, construction toy, and educational toy. As well as from block, brick. And whether operating block is cb, ce / eu, or ce. 

There are 14,547 operating block suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of operating block respectively. 

Operating block products are most popular in Domestic Market, Mid East, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 5,542 with ISO9001, 2,206 with Other, and 863 with OHSAS18001 certification.