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About product and suppliers:
        Alibaba.com offers 76 din 7990 products. About 93% of these are bolts, 2% are screws. 

A wide variety of din 7990 options are available to you, such as free samples. 

There are 75 din 7990 suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 76%, 9%, and 8% of din 7990 respectively. 

Din 7990 products are most popular in North America, South America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 39 with ISO9001, 16 with ISO14001, and 1 with ISO/TS16949 certification.