Xinxiang Changling Metal Products Co.,Ltd. is a speciailized manufacturer with products of Thread Inserts, Thread Repair Kits, Drill, Ring Gauge, Plug Gauge, etc.
We passed ISO9001-2008 in 2005.and keep improving the quality everyday. We have been always trying our best to provide our customers with high quality, the best price and satisfactory services.
ChangLing (CLCOIL )has been already recognized as one of three largest threading insert companies,located in XinXiang City which is the strong industrial city in the middle of China. Our company has advanced CNC winding machines , large-sized projectors, electronic microscope, etc. Our company is dedicated to R&D of threading inserts, self tapping insert, key locking insert (keysert ) since establishment. And we aim at developing mid-market and high-end market's products in the world, via choosing foreign high-quality materials and the world's advanced edge control techniques. Our products are recognized by all customers after being putted into the market.CLCOIL is committed to become the first-class brand of Screw Insert in the world with concept of honesty & spirit of creation.
Our slogan is "quality determines the brand of CLCOIL; credibility continues our cooperation".
 
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