4 月 07 2026 Patent certificate 07 4 月, 2026 Patent certificate（Electricity theft prevention nut、High-precision thread forming device of fastener rolling machine） Read Article
4 月 07 2026 Company News 07 4 月, 2026 Congratulations to Rengong Fastener Manufacturing Co., Ltd. for being awarded the Hebei Province Science and Technology Enterprise Honour Read Article
