Xinxiang Changling Metal Products Co., Ltd. is a manufacturer of Thread Repair kit ;Screw Inserts; thread inserts, Self tapping Inset with well-equipped testing facilities and strong technical capabilities.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.Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!