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SITC is an industry-leading manufacturer of hot cold carbon steel forgings with 40+ years of forging and precision machining expertise, dedicated to delivering high-strength, fatigue-resistant automotive carbon steel forgings for global automotive OEMs, heavy-duty truck brands, and industrial equipment manufacturers. Our custom hot and cold forging parts are engineered to withstand extreme load, impact, and high-temperature operating conditions, meeting strict performance requirements of automotive chassis, powertrain, and transmission systems. We support full customization of forged parts with weights ranging from 0.1kg to 3000kg, fully compliant with international industrial standards.
Our custom hot forging parts and cold forged components follow a closed-loop production process: Customer Drawing/Sample → Tooling & Mold Making → Wax Pattern Fabrication & Inspection → Tree Assembly → Shell Making & Dewaxing → Shell Roasting & Pouring → Cutting & Shot Blasting → Heat Treatment → Precision CNC Machining → Final Quality Control → Packing & Shipping. We control forging tolerance at CT6-CT9, with CNC machining tolerance of ±0.05mm to ±0.1mm.
Our forging production system is certified by IATF16949, ISO9001:2015, CE, and SGS, with a DEFORM simulation analysis system to ensure one-time trial production success and stable mass production consistency.
We implement a strict full-process quality control system for all precision steel forgings for auto, covering every production stage:
Raw Material Inspection: 100% spectral analysis and material grade verification for incoming carbon steel, alloy steel, and stainless steel raw materials.
Tooling & Mold Inspection: Dimensional accuracy and hardness testing for forging molds before production.
Forging Process Monitoring: Real-time temperature, pressure, and dimensional monitoring during hot/cold forging to avoid structural defects.
Mechanical Property Testing: Universal strength test, impact test, hardness test, and metallographic analysis for each batch of products.
Final & Outgoing Inspection: 100% dimensional inspection via CMM and non-destructive magnetic particle inspection before shipment.
We provide comprehensive OEM forging services and ODM solutions for global automotive and industrial equipment brand owners, including full customization based on 2D/3D drawings or physical samples, fast sample delivery within 10-20 working days, pre-production technical proposal and quotation, strict NDA signing for IP protection, and end-to-end one-stop service from forging to final packaging.
No, we have no MOQ requirement, and accept both small-batch prototype orders and large-scale mass production.
We provide a detailed production schedule after order confirmation, and send weekly progress reports with photos and videos of the production process.
We support EXW, FOB, CIF and other customized trade terms, with payment options including 30%-50% T/T deposit, Paypal, and Western Union.
Why Choose SITC for Your Automotive Forging Parts Needs
SITC is a professional forging manufacturer with a wholly-owned production factory, 40+ years of industry experience, and 800+ skilled workers. We guarantee on-time delivery via our 1.5-hour proximity to Qingdao Port, a 12-18 month product warranty, and 24-hour after-sales response. We provide end-to-end one-stop service, delivering optimal forging solutions for global commercial clients.
Our custom metal casting and machining services support a diverse range of industries worldwide, including automotive, commercial vehicles, agricultural machinery, construction and mining equipment, railway transportation, marine engineering, energy and power generation, oil & gas, industrial machinery, medical equipment, aviation, and defense applications.
Each finished product is assigned a unique identification number and recorded together with the raw material batch number and production code to ensure full traceability in the event of any quality issue or dispute.
Designated Supplier of Custom Metal Components for Leading Global Truck Brands.
Delivering true one-stop service and optimal solution.
With extensive manufacturing experience, we produce high-quality customized metal components according to customer drawings, samples, or technical specifications.
Large castings for heavy-duty truck, train/locomotive/subway/metro/railway/farm/agricultural/forestry/construction/building/mining/wind turbine machinery components, industrial/engineering/energy/power plant equipment, marine/shipbuilding/petroleum/petrochemical/Oil Drilling/metallurgy machinery.
We can manufacture various castings with high-precision CNC machining according to customers' drawings, samples, specifications, or technical requirements.
Casting weight range: 0.1 kg–3000 kg.
A leading company in the precision casting industry, supported by a senior engineering team with specialized expertise and extensive experience. We excel at handling special materials, complex structures, defect control, and advanced processing, enabling us to meet evolving customer needs and deliver optimal, one-stop solutions to clients worldwide.
World-class manufacturing facilities certified to ISO 14001, IATF 16949, and ISO 9001.
All raw materials are sampled and tested in our inspection laboratory upon arrival at the factory. Only qualified materials are allowed to enter our warehouse.
The factory covers an area of more than 90,000 square meters and is equipped with raw material warehouses, inspection laboratories, shell molding workshops, casting workshops, pretreatment workshops (including sandblasting, shot blasting, and polishing), CNC machining centers, electrophoresis workshops, testing laboratories, non-conforming product warehouses, semi-finished product warehouses, packaging workshops, and finished product warehouses.
Benefiting from a strategic geographical location, our factory is only a one-and-a-half-hour drive from Qingdao Port, the nearest shipping port. This advantage enables highly efficient logistics operations and ensures smooth and on-time delivery to customers worldwide.
Based in China, serving customers worldwide, we are committed to delivering greater value to global clients.
As an ISO 9001 and IATF 16949-certified OEM/ODM manufacturing partner, we provide comprehensive one-stop services and end-to-end solutions for global customers. From the early stage of product development, we work closely with customers to optimize structural components through casting solutions, helping improve product design, reduce costs, and maximize customer value.
With strong technical expertise,a robust production management system, advanced production equipment, a strict and effective quality control system, and state-of-the-art inspection instruments and methods, we consistently deliver high-quality products to customers worldwide.
Our factory is equipped with complete production lines, and the entire production chain — from raw materials to finished products — is fully under our control. This enables us to consistently deliver high-quality products at competitive prices, along with excellent service worldwide.
Each of our products is a work of art.
One of the leading suppliers of hardware customization services for commercial vehicle manufacturers worldwide.
We leverage our first-mover advantage to drive the global transition to a low-carbon economy.
One of the most advanced CNC machining centers, featuring dozens of state-of-the-art 3-axis, 4-axis, and 5-axis CNC machines.
State-of-the-art equipment significantly improves production efficiency and product quality, ensuring that all quality standards are met.
A leading OEM manufacturer of precision machinery parts for the foundry industry, specializing in design, R&D, and production for over 40 years, supported by 60 experienced engineers and 800 skilled workers.
Equipped with over 30 types and more than 400 sets of advanced machinery, we specialize in casting, forging, stamping, machining, drilling, grinding, molding, and surface treatment processes.
We have dedicated technical and R&D departments to provide comprehensive solutions for manufacturing and production-related challenges.
Our R&D department uses advanced design and simulation software, including AutoCAD, SolidWorks, UG, Pro/ENGINEER, CAXA, Rhino, Arena, and DEFORM, during the new product development process.
Every batch, from raw materials to finished products, undergoes laboratory testing to ensure compliance with contractual quality requirements.
Each batch of finished products undergoes spectral inspection. Tensile testing is conducted on specific products to ensure compliance with required strength standards.
We specialize in OEM custom casting and forging solutions for automotive, heavy equipment, railway, marine, energy, aerospace, defense, medical, and industrial applications.
We have been strengthening and expanding our competitive advantage to stay ahead of the competition, delivering products and services beyond expectations.
We are familiar with a wide range of international industrial standards, including Chinese GB, ASTM, AISI, DIN, NF, JIS, BS, AS, and AAR standards.
As most of our products are exported to European and North American markets, we have extensive experience with international technical specifications and quality requirements.
Guided by the philosophy of putting customer needs first and customer satisfaction foremost, we focus on understanding customer requirements and exceeding expectations. Agile and responsive, we continuously meet the evolving needs of customers worldwide by delivering optimal solutions.
Advanced testing equipment, a strict quality control system, and effective inspection methods enable us to consistently provide high-quality products to customers worldwide.
In 2025, we supplied over 110,000 tons of products, providing our clients with reliable supply capacity and consistent on-time delivery.
OUR MISSION: Committed to delivering quality products, competitive pricing, and outstanding customer service worldwide.
Wide Application
Our products and customization service cover a wide range of industries, including Auto/automobile/automotive, car, truck/lorry, commercial vehicle, forklift/lifting/hoist equipment, combine harvester, farm/agricultural machinery, mining machinry, engineering machinery, construction/building machinery/vehicle(crane/hoist, excavator, bulldozer, dump/dumper/self-dumping/self-discharging truck, concret/cement mixer truck, pump truck, crusher...), petroleum/ petrochemical/oil drilling/metallurgical machinery, shipbuilding machinery, locomotive, bullet train, high-speed railway, underground/subway/metro, tractor, trailer, industrial equipment, marine/ship machinery(Turbine, propeller...), defense//military/ordnance equipment(Tank, armoured troop carrier, amphibious equipment...), power plant, wind power generator/tower, wind turbine, lift/elevator/escalator, medical equipment, food machinery, aviation equipment/instrumentation, pump, valve, gearbox, motor/engine, motorcycle, Lathe machine tools, …etc.
Explore more product applications on our Applications page.
Core Advantages
Our OEM automotive steel forgings deliver ultra-high dimensional accuracy, uniform material structure, and superior wear resistance, outperforming traditional cast parts in heavy-load automotive systems. Our integrated production chain ensures stable batch quality, while our source manufacturing capacity delivers a 5% to 10% cost advantage over intermediate traders for bulk orders.
Certifications