Genuine YKK zipper | Rui Shi zipper hardware (certified) | Nan zipper

YKK metal zipper color - in the process of making leather YKK factory outlet in leather tanning agent such as sulfuric acid; carbonate; chromium compounds; tannins and aldehyde compounds are generally chemicals will be used. When these tanning chemicals in contact with the metal zipper, it may cause a metallic color. And such discoloration is more likely because the air does not flow or in a closed state, but also in high temperature environment or in extruded and stored condition to accelerate the speed of discoloration. In order to avoid the use of metal zipper discoloration problems in the leather, please note the following precautions: leather processing must be thoroughly washed and after neutralization tanning elements. Avoid metal zippers and leather products packaged together in an enclosed or poorly ventilated environment. Please try to avoid contact with metal zippers or leather Overlaid on the zipper. The basic standard metal zipper: (1) complete the entire zip fastener components, YKK fastener elements arranged in neat dealers, without missing teeth, bad teeth. (2) no significant skew stop zipper YKK zipper genuine, can not pull pull pull timeliness head stuck on dead center, bottom dead center of the phenomenon. (3) open end zipper (including double open end zipper) plug, flexible start; strengthen tape and cloth tape strong adhesion and tidy. (4) the slider (also known as sliders) solid surface decorative layer, uniform, no bubbles, peel and other defects, smooth cavity; flip flexible tab, clear marks. Genuine YKK zipper | 瑞仕 zipper hardware (certified) | Nan zipper by 瑞仕 Trade Co., Ltd. of Dongguan City. Dongguan Rui Shi Trading Co., Ltd. (www.risiykk.com) (www.risiykk.com) is Dongguan, zipper leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer demand. Rui Shi metal zipper in leadership with the staff warmly welcome all inquiries negotiations to create Rui Shi zipper hardware better future.