Tex. Corp. Ltd. Manufactures Spiral Coil Zipper along with slide fasteners in a state of the art facility. Tex. Corp. Ltd. Is an ISO 9001:2000 certified company. The Spiral Coil Zipper is available in pin-lock form, auto-lock form and in no-lock form. They are found in long, short, tear drop and long stick shape and are used Trouser, Skirts, Jackets, Shoes/Boots, Luggage and Hand Bag.