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About product and suppliers:
        Alibaba.com offers 2,173 shape blackboard products. About 39% of these are blackboard, 1% are whiteboard. 

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

There are 2,173 shape blackboard suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and India, which supply 99%, 1%, and 1% of shape blackboard respectively. 

Shape blackboard products are most popular in Western Europe, North America, and South America. 

You can ensure product safety by selecting from certified suppliers, including 342 with Other, 306 with BSCI, and 192 with ISO9001 certification.