The USA couplers of Ningbo Sinppa Air Tools Factory specifically target North and South America as their target markets, and are specially developed and designed for the US market. The proven positive connection adopts a ball locking mechanism. It is widely used to connect air pipelines and can also be used for low-pressure fluids. There are different materials for you to choose: brass, steel, stainless steel.
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please note that the amount more than $1000 per item have permission.