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About product and suppliers:
        Alibaba.com offers 31,307 heavy duty construction products. About 6% of these are hoists, 2% are adhesives & sealants, and 1% are formwork. 

A wide variety of heavy duty construction options are available to you, such as copper clad steel wire, round, and combination pliers. You can also choose from industrial lubricant, multi functional. As well as from iron, carbon steel, and steel. And whether heavy duty construction is aisi, gb, or astm. 

There are 31,213 heavy duty construction suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United Kingdom, which supply 97%, 1%, and 1% of heavy duty construction respectively. 

Heavy duty construction products are most popular in North America, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 11,092 with ISO9001, 5,992 with Other, and 1,312 with ISO14001 certification.