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About product and suppliers:
        Alibaba.com offers 2,189 3 inch pipe cap products. About 68% of these are steel pipes, 20% are pipe fittings, and 1% are other plastic products. 

A wide variety of 3 inch pipe cap options are available to you, such as carbon steel, stainless steel, and plastic. You can also choose from cap, bushing, and tee. As well as from welding, female, and male. And whether 3 inch pipe cap is equal, reducing, or round. 

There are 2,195 3 inch pipe cap suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Bahrain, which supply 99%, 1%, and 1% of 3 inch pipe cap respectively. 

 inch pipe cap products are most popular in Domestic Market, Mid East, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 1,051 with ISO9001, 340 with ISO14001, and 327 with Other certification.