... 2.Grade: 201,302,304,316 etc 3.B-SPR,D-SPR,CHQ,B&N,ANN.EPQ,NAI ect ... ASTM, GB, DIN, ENTypeB-SPR,D-SPR,CHQ,B&N,ANN.EPQ,NAI ectDiameter 0.04-12mmSurface treatmentbright, Gray, ... food and medical machinery accesses, etc.We are a specialized trade company and can provide all the kinds ... the businees about stainless steel products for a decade and established a good relationship with the manufactuers in China ...