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About product and suppliers:
        Alibaba.com offers 3,526 hdpe coupling products. About 63% of these are pipe fittings, 20% are plastic tubes, and 1% are shaft couplings. 

A wide variety of hdpe coupling options are available to you, such as plastic, stainless steel, and iron. You can also choose from coupling, elbow, and union. As well as from equal, reducing. And whether hdpe coupling is female, welding, or male. 

There are 3,526 hdpe coupling suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of hdpe coupling respectively. 

Hdpe coupling products are most popular in Domestic Market, Africa, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 2,447 with ISO9001, 704 with ISO14001, and 602 with OHSAS18001 certification.