Entering Yijia

Automobile Manufacturing

We supply high-strength, high-precision and corrosion-resistant fasteners specially for automobiles, covering all positions including engines, chassis, vehicle bodies and interiors. We strictly comply with the IATF16949 automotive quality management system standard to meet the stringent requirements of OEMs and Tier 1 suppliers, ensuring long-term safe and reliable operation of vehicles.

Wind Power Generation

We supply high-strength fasteners exclusively for wind power applications, covering a full range including tower bolts, blade bolts, main shaft bolts and foundation bolts. Manufactured from alloy steel with special surface treatment, these products deliver outstanding anti-loosening, anti-fatigue and corrosion-resistant properties. Capable of withstanding extreme weather conditions and long-term alternating loads, they ensure the safe operation of wind turbine units for over 20 years.

How we help

Oil Drilling

We supply special fasteners for petroleum service that resist high temperature, high pressure and severe corrosion, applicable to drilling platforms, Christmas trees, pipeline flanges, refining equipment and other working scenarios. Manufactured from special materials including alloy steel, stainless steel and duplex steel, these products comply with industrial standards such as API and NACE, and deliver stable and reliable performance under harsh conditions including offshore marine environments, deserts and high-temperature settings.

Construction Machinery

We supply special fasteners for construction machinery featuring high strength, wear resistance and impact resistance, compatible with heavy-duty equipment such as excavators, loaders, cranes and bulldozers. High-strength bolts of Grade 10.9 and Grade 12.9 are adopted together with anti-loosening locking solutions to withstand heavy loads and complex working conditions, enabling construction machinery to operate continuously in harsh environments including mines and infrastructure construction sites.

Construction Engineering

We provide a full range of construction fastener solutions applicable to steel structures, curtain walls, bridges, subways, photovoltaic power stations and other scenarios. Our product portfolio includes heavy hexagon bolts for steel structures, torque shear bolts, chemical anchor bolts, expansion bolts, embedded bolts and more. These products comply with multiple national standards such as GB, DIN and ASTM to ensure the safety and stability of building structures.

Electrical and Electronic Appliances

We supply micro, precise and high-precision fasteners exclusively for electronics, applicable to mobile phones, computers, home appliances, servers, new energy batteries and other products. Our product range includes micro screws, nuts, rivets, copper studs and more, with dimensional accuracy up to ±0.01mm. Custom non-standard products are available to meet the demands of precision assembly and automated production.

Review. Adjust. T.E.A.M.

We don’t stop at product or service delivery. Reviewing after delivery helps to assure that your needs are being met by the solutions we provided.

If we need to adjust, we’ll work together to make the right changes. Our T.E.A.M. (Total Electrical Asset Management) philosophy helps to maintain your equipment throughout its lifetime and avoid critical downtime and surprise expenses.

Talk with us about your facility

If we described you, your facility, and your needs, you are the type of person that we serve best. We’ve seen our EMC Process help many customers, and we’d love to help you. Reach out and we can start solving your concerns today.