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About product and suppliers:
        Alibaba.com offers 5,701 blackboard chalk products. About 44% of these are blackboard, 8% are chalk, and 1% are easels. 

A wide variety of blackboard chalk options are available to you, such as no, yes. You can also choose from free samples, paid samples. 

There are 5,701 blackboard chalk suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of blackboard chalk respectively. 

Blackboard chalk products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 966 with Other, 864 with ISO9001, and 523 with BSCI certification.