Cooperated with a leading domestic communication enterprise, customized SUS301 stainless steel side panels and RF bracket stamping parts, with ±0.01mm tolerance and IP67 waterproof rating, adapting to -40℃~85℃ outdoor environment. 100,000 pcs/month capacity, 99.8% delivery pass rate, 30% cost reduction compared with imports. Cooperated for 3 years and won annual excellent supplier award, stably supplying for 5G base station construction.