In the fields of automobiles and ships, Zhengchen provides corrosion-resistant fasteners such as A4-80 stainless steel bolts and sealing washers for use in engine compartments and ship hulls.
For example, at the connection of the yacht deck, our sealing screws prevent seawater from seeping in.
Application Advantages
Ultra long lifespan: Passed 720 hours of salt spray testing (far exceeding the industry standard of 48 hours). Vibration resistance: The dual safety anti loosening structure (thread glue+anti loosening teeth) is designed to withstand high-frequency vibrations. Lightweight: Titanium alloy materials reduce weight by 40% compared to traditional steel components.
A certain new energy vehicle brand has adopted our titanium alloy wheel hub bolts to reduce body weight, increase driving range by 15 kilometers, and passed the EU ECE certification.
Dongguan Zhengchen Hardware Co., Ltd. For over 10 years, Our Products has leveraged advanced technologies and uncompromised quality control to deliver precisely engineered parts across the globe, impacting virtually every aspect of modern life.