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About product and suppliers:
        Alibaba.com offers 119 standard thickness of c purlins products. About 59% of these are steel channels, 26% are metal building materials, and 4% are steel structures. 

A wide variety of standard thickness of c purlins options are available to you, such as galvanized sheet, steel. You can also choose from free samples. 

There are 119 standard thickness of c purlins suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of standard thickness of c purlins respectively. 

Standard thickness of c purlins products are most popular in Southeast Asia, Africa, and South America. 

You can ensure product safety by selecting from certified suppliers, including 40 with ISO9001, 22 with OHSAS18001, and 22 with ISO14001 certification.