The material is preferably stainless steel 316, which is corrosion-resistant, rust-free, and . The product adopts fine grinding and polishing, and the precision, polishing degree, brightness, flatness, etc. are many times better. The workmanship of the product is tight, solid and beautiful, easy to operate, and convenient to use during work. A variety of product specifications for your choice. Passivation treatment, improve the pass rate of salt spray test, practical and beautiful., Manufacturer: CSDASW