1. Eco-standard TPU waterproof material,2. Waterproof computer backpack are suitable for men with big capacity, waterpr oof airtight zipper, HF welding zippers.
Product Introduction The Solar Highway Lighting System is a crucial component for ensuring traffic safety. With its extended service life and maintenance-free operation, it proves to be an essential asset. Primarily designed for warning purposes on highwa
5140r steel is one of the most widely used steels in mechanical manufacturing industry. After tempering treatment, it has good comprehensive mechanical properties, good low temperature impact toughness and low notch sensitivity.