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About product and suppliers:
        Alibaba.com offers 1,706 triangular prism products. About 61% of these are prisms, 5% are lenses, and 4% are crystal crafts. 

A wide variety of triangular prism options are available to you, such as 40/20, 20/10, and 80/50. You can also choose from free samples, paid samples. 

There are 1,705 triangular prism suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of triangular prism respectively. 

Triangular prism products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 314 with ISO9001, 42 with Other, and 39 with ISO14001 certification.