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About product and suppliers:
        Alibaba.com offers 398,100 regulation in products. About 5% of these are voltage regulators/stabilizers, 2% are pressure regulators, and 2% are rehabilitation therapy supplies. 

A wide variety of regulation in options are available to you, such as free samples, paid samples. 

There are 398,100 regulation in suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of regulation in respectively. 

Regulation in products are most popular in North America, Mid East, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 103,094 with ISO9001, 61,453 with Other, and 18,966 with ISO14001 certification.