Tuercas-Pernos-Tornillos Litian Fasteners Manufacturing Co.,Ltd. started the business in threaded fasteners more than 15 years, and it has been a worldwide qualified manufacturer and supplier in fastener industy. Our fasteners are mainly applied to the fields of steel structural construction, bridge,wind power tower,oil pipeline connecting and valves,industries and agriculture equipment, mine equipment, automotive and heavy truck,railway,tractor etc. In strict compliance with ISO9001Quality system standard,our factories have advanced inspection equipments such as Hardness, Tensile Strength,Yield Strength,Proof Load,Elongation.Each link from raw materials processing to production process is operated in strict accordance with the procedures,with well-qualified quality inspectors and perfect testing equipments taking effective control on the production process ensure the quality of each product. Since year 2001, we enlarge the production scale and put more concern in manufacturing various of Non-standard Fasteners and precision machined parts per as customer's special request. Be the specialist and experienced cooperation with our customer, we provide the service and products to our customer with technical, flexible, reliable, quick response. Though internal-external grinding machine,face grinding machine, automatic precision lathes and CNC lathes,our products can meet the requirements of high quality and tolerance level. All the time, Litian keep on serving for every customer with high quality products,reasonalbe price and best service.We believe that successfully maintain stable and superior quality goods will generate success for both our customers and Litian over the long term. We sincerely welcome and appreciate for your cooperation. Finished Hex Nuts -(ASME B18.2.2-1987 A563 grade A, DIN934 Metric Hex Nuts) Hex Bolt, Hex Cap Screw -(ASME B18.2.1-1987 A307 grade A/B, Metric Hex Bolt) Structural Bolts-Heavy Hex Bolts -( ASME B18.2.1-1987 A325-type 1, A490) Heavy Hex Nuts - A194 2H 2HM & A563 DH Nylon Insert Lock Nuts -(IFI, NE, NTE, DIN985, DIN982 ) Hex Flange Nuts -(IFI 100/107, DIN6923 ) Carriage Bolts with Square neck - ( ASME B18.5 -1987 DIN603) Socket Hex Bolts / Socket Cap Screw -(ASME B18.3 -1987 DIN912 ) USS, SAE Flat Washers, Hardened Washers (F436, DIN6916 ) Hex Flange Bolts A193 B7/B7M Stud Bolt,Thread Rod, A194-2H Heavy Hex Nuts Hex Lag Screw,Drywall Screw,Self-Drilling Screw Hex Bolt,Hex Cap Screw. grade 10.9 and 12.9 Hex Concaved Nuts,Spring Nuts Track bolt -(Round Head Oval Neck Bolt) Hex Coupling Nuts,Hex Thickness Nuts Track bolts Kits Plow Bolt Rivet Nuts; Wing Nuts,Wing Bolt Hex Slotted Nuts,Flange Nuts, Dome Nuts,Weld Nuts U-BOLT,steel Clamps Wheel Nuts,Wheel Bolt, Wheel Lock Bolt,Wheel Lock Nuts Machine Screw Sleeve anchor, Wedge anchor, Drop in anchor, Chemical anchor F1852 tensile bolt Pipe Valve fittings , Steel Clamps Pin Shoulder,Hex Fit Bolt