... corrosion We are specialized in making stamping parts,sensor temperature series and other categories for more than 10 years ... YongTai Electronics Co.,LTD2.Material: Stainless steel, Aluminium,copper,brass,etc3.Processing:Stamping, Bending,Welding,Punching,Maching,Assembling4 ... .Certificate: Compliant with Directive of RoHS, According to the GB degree7.Finish:Nickel plated, Chrome coated, Zinc ...