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SINO INDUSTRY and Trade Co., Ltd (SITC) provides integrated one-stop casting forging machining services for global valve, pump, and fluid equipment manufacturers. With over 40 years of foundry and precision machining experience, we specialize in producing high-quality valve pump casting parts, sand casting components, and custom machined parts that meet the strict performance requirements of fluid control and delivery systems. Our services cover the full production chain from mold design to final assembly, supporting full customization of custom valve body castings, pump housing castings, and other industrial fluid components.
Our core production process for industrial casting parts centers on mature sand casting technology, complemented by precision forging, 3-5 axis CNC machining, and automated surface treatment. We have a fully in-house production line, with all links from mold making to finished product assembly completed in our 90,000 square meter factory, ensuring full control over product quality and delivery lead time.
We strictly follow ISO9001:2015, IATF16949:2016, and ISO14001 management systems in all production processes. Our factory has passed SGS on-site audit and holds valid international certifications, ensuring our precision CNC machining services and casting products fully comply with global industrial standards including ASTM, DIN, JIS, and BS.
We have built a rigorous full-process quality assurance system tailored for fluid control components:
Raw Material Inspection: SGS material composition testing and mechanical property verification for all incoming metal materials
Mold & Casting Inspection: Mold dimensional check, pouring parameter monitoring, and non-destructive testing for casting blanks to eliminate porosity and shrinkage defects
Machining Process Control: Real-time dimensional monitoring with CMM, projectors, and precision gauges
Finished Product Testing: Spectral inspection, tensile strength testing, and pressure sealing test for valve and pump core components
Pre-Shipment Inspection: 100% full inspection of appearance, dimensional accuracy, and performance, with complete QC documentation provided for each batch
We offer comprehensive OEM and ODM solutions for pump housing castings, custom valve body castings, and other fluid equipment components. Our R&D and engineering team uses professional design software to provide mold design, structural optimization, and material selection guidance, helping you optimize product performance while reducing production costs. We support both custom prototype development and large-scale mass production, with fully customizable surface treatment options.
What is your standard lead time? The standard lead time for mass production is 30-45 days, with expedited production available for urgent orders.
What packaging options do you provide? We offer standard poly bag + carton packaging, pallet/container packaging, and fully customized packaging solutions per your requirements.
What surface treatment services do you offer? We support shot blasting, painting, anodizing, powder coating, and various electroplating treatments to meet different application needs.
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