الوصف

1.We are able to manufacture these Screw Spikes perfectly by standards for railway products:TB , UIC, AREA , etc. 2.surfacetreatment:nuture, black, potgalvanizing, coldgalvanizing, oil, parkerising and so on. *****:4.6, 5.6, 8.8, *2.9.we own advanced equipments for producing and testing to guaratee the qulity of products. 4.we can manufacture products basing on customers'drawing. 5.we welcome you to come to our factory to study visit, and we will receive you warmly . whole sales PRICE for big quantity.