Brass zippers & custom zinc alloy die casting
From raw material to finished part — made to drawing, with real export experience to South Korea. Official invoices.
Zinc alloy (zamak) die casting
Custom die casting from drawings: zipper pulls, door handles, cabinet handles and other hardware.
See details →Export experience to South Korea
International customers can reach us directly in English.
See export capabilityFrequently asked questions
What zippers does Duong Long manufacture?
Brass zippers in sizes #3, #5 and #8, in multiple colors, used for jeans, jackets, bags and shoes.
Does Duong Long offer custom zinc alloy (zamak) die casting?
Yes. Our die-casting workshop produces custom parts from customer drawings or samples — common applications include zipper pulls, door handles and cabinet handles.
Does Duong Long export?
Yes. Duong Long's products have previously been exported to South Korea. International buyers can contact us in English.
What is the price for brass zippers?
Price depends on size, color and order quantity, so it is not listed — send a request for a specific quote.









