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Add：Digital Industry Base, No. 555, Chuangzhi Road, Lianchi District, Baoding City, Hebei Province,China
SRN's self-developed "Constant-Pressure Adaptive Grinding Disc" technology has recently been granted an invention patent certificate ....
SRN Recognized as "National High-Tech Enterprise"....
SRN Polishing Film Successfully Applied in Consumer Electronics Glass Cover Production Line....
SRN Enters Strategic Partnership with Renowned German Automaker....
SRN Launches New Nano-Ceramic Sandpaper Series, Boosting Grinding Efficiency by 40%....
