We are Changing Sun Metal Co., Ltd, established in 1990. We specialize in producing rivet nuts; we can produce in material steel, stainless steel, aluminum, and brass. We passed ISO 9001:2015 and IATF 16949: 2016 certificates. We have a strong R&D team; we can consistently develop new products while prioritizing product quality and precision. We welcome global buyers to inquire about customized rivet nuts.