Custom Construction/Mining/Marine/Farm/Agricultural/Petroleum/Shipbuilding/Oil Drilling Machinery/Equipment Hardware Parts OEM Sand Casting Industrial Component

One of major suppliers of mass customization service for commercial vehicle manufacturers spreaded all over the world.

Our products and customization 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/building machinery parts(crane/hoist, excavator parts, bulldozer parts, dump/dumper/self-dumping/self-discharging truck parts, concret/cement mixer truck parts, pump truck, crusher...), petroleum/petrochemical/oil drilling/metallurgical machinery parts, shipbuilding machinery parts, bullet train parts, locomotive parts, high-speed railway parts, underground/subway/metro parts, tractor parts, trailer parts, industrial equipment parts, marine/ship machinery parts(Turbine, propeller...), defense/military/ordnance equipment parts(tank, armoured troop carrier, amphibious equipment...), power plant components, wind power generator/tower parts, wind turbine components, lift/elevator/escalator 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.


Each of our products is a work of art.

Our mission: Commited to offering high quality products with competitive price and excellent service worldwide.


Chinese auto giants FAW/FOTON/SINOTRUK/HOWO/SHACMAN designated supplier for customized components.

Our factory can produce any kind of castings with high precision CNC machining process as per customer's drawings/samples/requirements/technical parameters.


One leader in the precision casting industry. A senior engineering technical team with special skills and rich experience which is capable of solving and handling special material, special structure, special defect and special processing, meeting the evolving needs of, and providing optimal solution and real one-stop service to, global customers.


One of major suppliers of hardware customization service for commercial vehicle manufacturers spreaded all over the world.

Leverage our first-mover advantage in this field to support global low-carbon economic development.


Our factory possesses complete sets of production lines, the whole production chain- from raw materials to finished products-are under our own control, which enable us constantly, stably to offer high quality products with competitive prices and excellent service worldwide.


Large casting items for heavy-duty truck, train/lecomotive/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 produce any kind of castings with high precision CNC machining process as per customer's drawings/samples/requirements/technical parameters. Casting blank weight: 0.1kg-3000kg.


A leading precision machinery manufacturer specializing in the design, research, development and production in the foundry industry for more than 40 years, with 60 experienced technical engineers and 800 skilled workers. 

A source manufacturer, our products have considerable price advantage compared to traders'.


The factory covers an area of more than 90,000 square meters, with raw material warehouses, inspection laboratory, shell mould making workshops, casting workshops, pretreatment workshops (sandblasting, shot blasting, polishing), processing workshop(CNC Machining center), electrophoresis workshop, testing laboratories, nonconforming products warehouses, semi-finished product warehouses, packaging workshops and finished product warehouses.

In terms of logistics transportation, our factory possesses a great geographical advantage - its only one and a half hours' drive from our factory to the nearest shipping port-Qingdao Port-which makes our logistical system more efficient and ensures smooth and punctual delivery.


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 global customers.


The most advanced CNC machining center in China, which is composed of dozens of state-of-the-art five axis CNC lathe machine tools. More than 400 sets of casting/forging/machining equipments in total, including 60 sets of three/four/five-axis machining center (CNC) and 2 sets of digital special machines designed with double main axle boxes.


First-class equipments significantly improve production efficiency and product quality, and ensure quality standards are met. All raw materials should be sampled and analyzed in our inspection laboratory when they reach our factory, only after passing the inspection can the raw materials be stored into our warehouse. 


The castings produced by us are widely used in various industries, such as auto, car, truck, tractor, trailer, combine Harvester, forklift, motorcycle, military vehicle, ordnance products, military supplies, special vehicle, industrial equipment hardware, defense armament, bullet train; high-speed railway, construction machinery/truck/vehicle/equipment, mining machinery/truck/vehicle/equipment, commercial vehicle, marine/ship machinery parts, excavator, cement/concret mixer truck, bulldozer, boat, farm/agricultural machinery, shipbuilding/petroleum/metallurgical machinery, valve, pumps, gearbox, electric machine, lathe machine, machinery, power/energy/industry hardware/equipment, engineering installation, food equipment, artificial intellegence, medical instrument, aerospace facility, and other mechanical equipments.


Stick to the business management philosophy that "Starting from the customer needs and ending with their satisfaction", focusing on customer demands and exceeding their expectations. Agile and quick to react to customers' requirements, meeting the evolving needs of, and providing optimal solution to, global customers.


Sound production management system, superior production equipments, strict and effective quality assurance system, excellent and perfect detection means, rich technical forces. 


We have more than 30 kinds, 400 sets in total, of mechanical equipment related to Casting, Forging, Stamping, Punching, Milling, Turning,  Boring, Drillig, Tapping, Grinding, Molding, Lathing, Machining, Processing, Surface Treatment.


A strict product quality monitoring system and effective quality assurance system, excellent and perfect detection means, to ensure the quality of our products in control. 

We have our own technical department and R&D department to solve all-round problems related to product technology. 

Design software and DEFORM Simulation Software-Auto CAD, solid works, UG, Pro/E, CAXA, Proe, Rhino, Catia, Simio, Alias, Arena-are being used by our R&D staffs during design proess of new products. 


Each batch of products from raw materials to finished products will be tested in the laboratory to ensure that the quality meets the contracted requirements. 


Each batch of finished products will be carried out spectral inspection. For specific products tensile test will be conducted to ensure that the tensile strength of products is up to the standards.

At exhibitions across the world - "CTT Expo", "Automechanika", "Hannover Messe", "METAL-EXPO'2023".
We are familiar with various industrial standards, such as Chinese GB, American ASTM, AISI , German DIN, French NF, Japanese JIS, British BS, Australian AS and Association of American Railroads (AAR ) and other industrial standards. Most of our products are for foreign trade exportation and mainly exported to Europe and America, so we understand the technical standards of Europe and America very well. 

First-rank standardized workshops certified by "ISO 14001", "IATF 16949" and "ISO 9001".

Established in 1980, Sino Industry and Trade Company is a leading foundry manufacturer specializing in the design, research, development and manufacture in the foundry industry. Being one of major suppliers of customization service for commercial vehicle manufacturers spreaded all over the world, the company is commited to offering high quality products with competitive price 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 casting production lines, advanced CNC machining center which is composed of dozens of state-of-the-art five axis CNC lathe machine tools, as well as automated electrophoresis coating lines. 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 global 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 casting, forging, and CNC machining fields, which is capable of solving and handling special material, special structure, special defect and special processing, meeting the evolving needs of, and providing optimal solution and real one-stop service to, global customers.

1* Mature one-stop service system
We provide real one-stop service and optimal solution for customers.
(1)A source manufacturer, our products have considerable price advantage compared to traders'.
(2)We have our own technical department and R&D department to solve all-round problems related to product technology.
(3)Our factory possess complete production lines, all production links from raw materials to finished products are under our own control.
(4)We have a strict product quality monitoring system and an effective quality assurance system to ensure the quality of our products in control.
(5) A senior engineering technical team with special skills and rich experience which is capable of solving and handling special material, special structure, special defect and special processing, meeting the evolving needs of, and providing optimal solution to, global customers.

2* Modern machinery and patented equipment
We have more than 30 kinds of mechanical equipments related to casting, machining, processing, electrophoresis coating, 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 lathe machine tools, as well as 2 sets of digital special machines designed with double main axle boxes. First-class equipment has significantly improved production efficiency and product quality.

3* Sufficient production capacity
We supply more than 110000 tons of products to more than 12 clients in 2022. We not only ensure sufficient supply capacity, but also guarantee punctual delivery.

4* Highly efficient logistics system and convenient transportation condition
In terms of logistics transportation, our factory possesses a great geographical advantage - its only one and a half hours' drive from our factory to the nearest shipping port-Qingdao Port-which makes our logistical system more efficient and ensures smooth and punctual delivery.

5* Modern laboratory and strict quality control system
All raw materials should be sampled and analyzed in our inspection laboratory when they reach our factory, only after passing the inspection can the raw materials be stored into our warehouse. Each batch of products from raw materials to finished products will be tested in the laboratory to ensure that the quality meets the contract requirements. Each batch of finished products will be carried out spectral inspection. For specific products tensile test will be conducted to ensure that the tensile strength of products is up to the standards.

6* Wide application of products
Our products and customization service cover a wide range of industries, including
Auto/automobile/automotive, car, truck/lorry, commercial vehicle, forklift/lifting 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. We can produce any kind of castings with high precision CNC machining process as per customer's drawings/sample/requirements/technical parameters.

7* Strict product information tracking
Each of finished products will be assigned one unique identification, especially for those made from different batches of raw materials will be recorded and archived with raw material batch number and factory production code to facilitate tracing in case of quality discrepancy or any disagreement on the quality.