Fasteners and precision parts for high-end manufacturing
As production moves closer to the United States, plants in Mexico need suppliers who deliver complete, line-ready parts. Yousheng supplies component assemblies, sex bolts and precision parts built to your drawing.
Component assemblies for automotive and industrial programs
Automotive production shipping out of Mexico depends on parts that arrive complete and ready for the line. We combine bolts, nuts, washers, bushings and stamped brackets into kits and sub-assemblies built to your drawing, so your team installs one part number instead of five.
- Kits and sub-assemblies built to drawing
- Weld nuts, plate nuts and stamped brackets
- Pre-applied thread-lock on request
- Packaging and labeling to your line's needs
Send us a drawing or sample and we will quote the complete assembly.
Request a QuoteSex bolts are what we do best
A male screw threads into a female barrel nut, leaving a smooth, finished head on both sides of the joint. They join tubes and panels in furniture, strollers, scooters and fitness equipment, and they look as good as they hold.

- Head styles
- Wafer, button, flat countersunk, tamper-resistant
- Drives
- Hex socket, six-lobe, Phillips
- Finishes
- Zinc, black, nickel, stainless steel, powder-coated colors
- Thread-lock
- Blue, red or yellow pre-applied patch
- Lengths
- Made to fit your joint thickness
- Typical uses
- Furniture, strollers, scooters, fitness equipment






Precision parts and modules
Shoulder bolts, wheel axles, ball studs and machined bushings for joints where fit, finish and smooth motion matter. We also assemble these parts into small precision modules for your product.







Making bolts in Yangjiang, Guangdong since 2006
Yangjiang Yousheng Technology Co., Ltd. was founded in 2006 in Yangjiang, Guangdong, China. Our plant runs multi-station cold headers, from 3-die 3-blow to 6-die 6-blow, together with fully automatic thread rolling and tapping machines. We produce carbon steel bolts from M4 to M20 in lengths of 3 to 300 mm, supply matching nuts, lock nuts and sleeves, and develop special parts together with our customers.
We take each customer's requirements as our guide and keep upgrading our technology and equipment, with the aim of being professional and reliable on every order.
Standard bolts we make
- Hex head bolts
- Hex flange bolts
- Square head bolts
- Round head bolts
- Countersunk bolts
- Eye bolts (swing bolts)
- T-bolts
- Foundation bolts
- Anchor bolts
- Six-lobe head bolts
Equipment
- Cold headers: 3-die 3-blow, 4-die 4-blow, 5-die 5-blow, 6-die 6-blow
- Main models: 136L, 134L, 86S, 66S, 83L, 84S, 64S, 43S
- Fully automatic thread rolling and tapping machines
How we work
Anti-loosening
Pre-applied thread-lock patches and nylon lock nuts keep joints tight under vibration.
Finishes to match
Zinc, black, nickel, stainless steel and powder-coat colors to match your product.
Built to drawing
Send a drawing or sample. We quote standard and special parts.
Three languages
We answer inquiries in English, Spanish and Chinese.
Request a quote
Tell us the part, quantity and finish you need. If you have a drawing or photo, attach it to your email.