Changling metal is a professional fastener manufacturer, located in HeNan,China, Its product range includes: Threaded Inserts, self-tapping coils, thread repair insert, welding standoff, retractable screws, and other fasteners. It can also manufacture on OEM basis.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in Chemical plants, aviation, instruments, engines, automobiles and marine and other industries.
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