... 1. fully automatic production 2. Professional service team heavy load 316 stainless steel compression springFeatures of 316 stainless ... alloy spring steel, refractory steel, brass, bronze, etc Load type compressionFinish Zinc-plated, nickel-plated, chrome-plated, silver ... equipment , safe package and prompt delivery . Application industrial equipment,electronic devices,etcPayment termsT/T, L/C,WULead ...