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About product and suppliers:
        Alibaba.com offers 1,312 slate chalk products. About 31% of these are blackboard, 6% are talc, and 4% are dishes & plates. 

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

There are 1,312 slate chalk suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of slate chalk respectively. 

Slate chalk products are most popular in North America, Western Europe, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 79 with ISO9001, 70 with BSCI, and 49 with Other certification.