... 2.carbon, stainless steel 3.zinc plated,black,etc 4.flat,pan, etc. die casting aluminium 1.Surface Finish: annealing, natural ... , turning, milling, drilling, grinding, broaching, welding and assembly.3.Variety of standards:ISO,GB,DIN,JIS,ANSI4.ISO9001-2008,SGS,ROHS ... certificate.5.We have a lot of years technical experiences, we are engaged in the hardware for ...