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About product and suppliers:
        Alibaba.com offers 29,877 heavy duty construction products. About 1% of these are formwork, 1% are metal building materials, and 1% are plastic nets. 

A wide variety of heavy duty construction options are available to you, such as steel, iron, and stainless steel. You can also choose from heavy, safety shoes, and steel plate. As well as from outdoor, construction hoist, and tools. And whether heavy duty construction is truck crane, tower crane, or bridge crane. 

There are 29,757 heavy duty construction suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United Kingdom, which supply 98%, 1%, and 1% of heavy duty construction respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 11,155 with ISO9001, 5,068 with Other, and 1,466 with ISO14001 certification.