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huangfan Group's Sonec Enterprise(Kunshan) Co..Ltd,Up to now there are more than 30years of production history We are mainlyproduces" SONEC"sel-drilling screws and related fasteners for hardware construction.High quality and high cost performance are the symbolof the SONEC fastening series. Advanced technology,perfect after-sales service, timely tracking of users won the support and trust of many customers Exported to more than 40 colntries and regionsThe "SONEC Da Rong" ll-stainless steelself- drilling screw has better cutting ability than the milling cutter,especially the low-speed heavy cutting hasreached the industry leading level. The patented product 550 stainless steel screw not only high hardness, high strength,strong corrosionresistance but also salt spray experiment can reach more than 5000 hours, it is high-tech innovative product.The low carbon steel screws seriesare complete in specifications,stable in quality and wide in customization. For example Hex washer head(yellow and white zinc,Ruspert, nylonhead,the lacquer that bake stainless steel cap),countersunk phillips, pan phillips, Truss phillips and So on."Metal expansion net", a unique metal plate stretched to form a contour into a high-strength safety structure, is your best safety guarantee in engineering.

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