Complaint
| Item | Precision Casting Parts with CNC Machining Process |
| Surface Treatment | Shot Blasting, Electrophoretic Coating |
| Surface Roughness | Ra0.05∼Ra50, at customer's request |
| Standard | GB, ASTM, AISI, DIN, NF, JIS, BS, AS, AAR, etc. |
| Certification | ISO 9001:2015, IATF16949 |
| Casting Form Material | Sand |
| Casting Form Usage Count | Disposable |
| Machining Tolerance | +/-0.01mm |
| Casting Metal | Nodular/Ductile Iron, Gray/Grey iron, Carbon Steel, Alloy Steel, Stainless steel |
| Coating | Electrophoretic Coating |
| Annual Supply | 3 Million Pieces |
| Product Application | Auto, Car, Truck, Train, Railway, Forklift, Commercial Vehicle, Tractor, Industrial Equipment, Machinery, etc |
| Machining Method | CNC Machining, Milling, Drilling, Boring, etc |
| Transport Package | Bubble Plastic Bag+Pallet+Wooden Case |
| Specification | 0.1KG-3Tons |
| Trademark | OEM/ODM |
| Origin | China |
| Loading Port | Qingdao Port |
Our products and customized service cover a wide range of industries, including
Auto/automobile/automotive parts, car parts, truck/lorry parts, commercial vehicle parts, forklift/ lifting equipment parts, combine harvester parts, farm/agricultural machinery parts, mining machinry parts, engineering machinery parts, construction machinery parts(Crane/hoist, Excavator parts, Bulldozer parts, Dump/dumper/self-dumping/self-discharging Truck parts, mixer truck parts, pump truck, crusher...), petroleum/oil production machinery parts, shipbuilding machinery parts, bullet train parts, high-speed railway parts, underground/subway/metro parts, tractor parts, trailer parts, industrial equipment parts, marine/ship machinery parts(Turbine, propeller...), defense equipment parts(Tank, armoured troop carrier, amphibious equipment...), power plant components, wind power generator/tower parts, lift/elevator parts, medical equipment parts, food machinery parts, aviation equipment/instrumentation parts, pump parts, valve parts, gearbox parts, motor/engine parts, motorcycle parts, Lathe Machine tool parts, etc.
We have been strengthening and expanding our leading edge to keep ahead of others.
China auto giants FAW/FOTON/SINOTRUK/SANY/HOWO/SHACMAN designated supplier for customization of auto parts.
Each of our products is a work of art.
One of major suppliers of customized parts for automobile manufacturers spreaded all over the world, commited to offer high quality products with competitive prices and excellent service worldwide.
A senior engineering technical team with special skills and rich experience in product design, casting, forging, and CNC machining fields, can solve and handle special material, special structure, special defect and special processing, meet the evolving needs of, and provide optimal solution and real one-stop service to, our customers.
A professional OEM manufacturer in the precision foundry industry integrating research, development, design and production.
"ISO9001" and "IATF16949" certified factory, provide real one-stop service and optimal solution for customers.
Stick to the business management philosophy that "Starting from the customer needs and ending with their satisfaction".
Our factory occupies an area of more than 90,000 square meters, more than 40 years experience in casting/machining industry, with 60 experienced technical engineers and 800 skilled workers.
First-class equipments significantly improve production efficiency and product quality.
We can produce all kinds of castings with high precision CNC machining according to customer's drawings/samples/requirements.
Each batch of products from raw materials to finished products will be tested in the laboratory to ensure that the quality is up to the standards, and Each batch of finished products will be carried out spectral inspection. For specific products tensile test will be conducted to ensure the tensile strength of products up to the standards.
We possess complete sets of production lines, the whole production chain- from raw materials to finished products-are under our control, which enable us constantly, stably to offer high quality products with competitive prices and excellent service worldwide.
Based on customer needs, in the beginning of product development, offer a solution, products design, by structural component designed to casting parts, optimize product design, reduce costs and creating more value for customers.
First-class equipments significantly improve production efficiency and product quality and ensure quality standards are met.
A strict product quality monitoring system to ensure the quality of our products in control.
Abundant technical forces and sound production management system, superior production equipments, strict and effective quality control system, advanced and excellent inspection instruments, to ensure us constantly, stably to provide high-quality products for customers.
Our products and service will be beyond your imagination.
| Specification | According to customer's drawings or samples or requirements. | |
| Casting Weight | 0.1KG-3Tons | |
| Casting Standard | GB, ASTM, AISI, DIN, NF, JIS, BS, AS, AAR, etc. | |
| Casting Tolerance | CT7-CT8. | |
| Surface Roughness | Ra0.05-Ra50, , at customer's request | |
| Heat Treatment | Normalizing, Annealing, Quenching, Tempering, etc. | |
| Casting Material | High grade nodular/ductile iron, Grey/Gray iron, Stainless steel, Carbon steel, Alloy steel. | |
| Casting Process | Sand Casting | Iron based coated sand |
| Coated sand | ||
| Clay sand | ||
| Resin sand | ||
| Investment Casting | ||
| Die Casting | ||
| Vacuum process casting | ||
| Surface Preparation | Sand Blasting, Plating, Galvanized, Spray-Paint, Passivating, Polishing, Electrophoresis, Machining, etc. | |
| Inspection Equipment | Test equipment: Spectrum Analyzer, Hexagon CMM, Hardness test equipment, Tension test machine, E-coating testing equipments, Metalloscope. | |
| Dimension Inspection | Coordinate Measuring Machine (CMM), Calipers, Height Gauge, Micrometer Calipers, Inside Caliper Gauge, Angle and R Gauge, customized gauge, etc. | |
| Product Application | Our products are widely used in many industries, such as automobile, truck, train, railway, fitness equipment, agricultural machinery, mining machinery, petroleum machinery, engineering machinery, shipbuilding, construction and other power equipment, etc. | |
| Lead Time | 30-45 Working days. | |
| Drawing Type | Customer to Provide Drawings | |
Established in 1980, Sino Industry and Trade Co., Ltd. (hereinafter referred to "SITC") is a leading foundry manufacturer specializing in the design, research, development and manufacture in the foundry industry. Being one of major suppliers of customized parts for automobile manufacturers spreaded all over the world, the company is commited to offer high quality products with competitive prices and excellent service worldwide.
Headquartered in Rizhao City, Shandong Province, P.R. China, the company wholly owns a subsidiary production factory named "Rizhao Longshan Pricision Machinery Manufacture Co., Ltd.", which covers an area of more than 90,000 square meters, with several precision casting production lines, and the most advanced CNC machining center which is composed of dozens of state-of-the-art three axis, four axis, and five axis CNC machine tools. The processing technology of the casting production lines is mainly divided into sand casting, investment casting and die casting. Abundant technical forces and sound production management system, superior production equipments, strict and effective quality control system, advanced and excellent inspection instruments&means, to ensure us constantly, stably to provide high-quality products for customers.
More than 40 years experience in precision casting industry, with 60 experienced technical engineers and 800 skilled workers, SITC has a senior engineering technical team with special skills and rich experience in product design, casting, forging, and CNC machining fields, can solve and handle special material, special structure, special defect and special processing, meet the evolving needs of, and provide optimal solution and real one-stop service to, our customers.
1* Mature one-stop service system
We provide real one-stop service and optimal solution for customers
(1)we are the source manufacturers, and our price has an absolute advantage.
(2)We have our own technology department to solve all-round problems related to product technology.
(3)We have a complete production line, products from raw materials to finished products are under our control.
(4)We have a strict product quality monitoring system to ensure the quality of our products and after-sales service.
2* Modern machinery and patented equipment
We have more than 30 kinds of mechanical equipments related to casting, grinding, processing, surface treatment, etc., more than 400 sets in total, including the most advanced CNC machining center which is composed of 60 sets of three-axis, four-axis and five-axis CNC machine tools, as well as 2 sets of digital special machines designed with double main axle boxes. Our equipment has significantly improved production efficiency and product quality.
3* Sufficient production capacity
We supply more than 110000 tons of goods to more than 12 clients in 2022. Under the supervision of a production system, we not only ensure sufficient supply capacity, but also assure customer of punctual delivery.
4* Modern laboratory
Every process of each batch of products from raw materials to finished products will be tested in the laboratory to ensure that the quality of each batch of products is up to the standard. For example, we will carry out spectral inspection for each batch of raw material samples, and carry out tensile test for specific products through tensile machine to ensure the tensile strength of products, etc.
5* Wide application of products
The castings produced by us are widely used in various industries,such as construction vehicles, trains, railways, forklifts, agricultural machinery and other mechanical equipment. We can produce all kinds of castings with high precision CNC machining according to customer's drawings/sample/requirements.
6* Perfect product information tracking
After the product is inspected in terms of quality, we will record the products produced by different batches of raw materials and archive the production information of each batch of products, each of our products is marked with raw material batch number and factory production code. Our purpose is to find the root of the problem accurately when the customer has the demand for product quality and after-sales, and find the same batch of products to ensure that these products are free of problems.
