Losier are a professional manufacturer in the casting industry, providing full-cycle customization and mass production services for Corrosion Resistant Gravity Permanent Mold Casting Hydraulic Components. Built with targeted corrosion-resistant material matching and optimized gravity casting process, the products feature high-density pore-free structure, ±0.02mm ultra-high machining accuracy, and fully comply with ISO, ASTM, DIN global mainstream industry standards.
Corrosion Resistant Gravity Permanent Mold Casting Hydraulic Components are core key parts for hydraulic transmission systems, specially developed for harsh working conditions of long-term high-pressure impact, medium corrosion and strict sealing requirements in the hydraulic field. This series of products relies on advanced gravity permanent mold casting process to solve common industry defects such as sand holes, porosity and easy leakage of traditional cast hydraulic parts, and is widely used in various industrial fields with high requirements for hydraulic system stability and corrosion resistance.
With nearly 40 years of technical accumulation in the casting industry, we have built a complete R&D, production and testing system for this series of products, which can fully meet the differentiated customized needs of global customers from small batch trial production to large-scale mass production. All products are manufactured in strict accordance with global mainstream industry standards, with a perfect full-process quality control system to ensure the stability and consistency of each batch of products.
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Comparison Item |
Our Product |
Ordinary Sand Casting |
|
Internal Structure |
High density, no sand holes, no porosity |
Prone to air holes, slag inclusion and internal porosity |
|
Dimensional Accuracy |
CT4-CT8 grade, up to ±0.02mm |
Low accuracy with large machining allowance |
|
Pressure Resistance & Sealing |
High pressure resistance, tight sealing, no internal leakage |
Easy to leak, fast performance attenuation under long pressure |
|
Corrosion Resistance |
Special corrosion-resistant material + multi-layer anti-corrosion treatment |
Ordinary material with weak anti-corrosion ability |
|
Service Life |
Over 30% longer than ordinary castings |
Fast wear and corrosion, short service life |
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Batch Stability |
Mature process with high batch consistency |
Large quality fluctuation and high defect rate |
● Long-Acting Corrosion Resistance: Customized material matching + multi-layer anti-corrosion treatment, adapts to hydraulic oil, acid-base, salt spray corrosion, extends service life by over 30% vs ordinary casting products.
● High-Density Leak-Proof Structure: Optimized gravity permanent mold casting process, eliminates sand holes/porosity internal defects, adapts to long-term high-pressure hydraulic impact, fundamentally solves the industry pain point of hydraulic component internal leakage.
● ±0.02mm Ultra-High Precision: CT4-CT8 grade casting tolerance, up to ±0.02mm machining accuracy, one-time high-precision forming of complex structures, reduces secondary processing deformation, fully guarantees sealing surface dimensional accuracy.
● Full-Process Traceable QC: Strict digital quality management system, 100% non-destructive testing before delivery, 96%+ factory qualification rate for the past five years, fully ensures batch product quality consistency.
Core Working Condition Pain Points: Hydraulic system core parts face long-term high-pressure impact, hydraulic medium corrosion, strict zero-leakage requirements; traditional sand casting is prone to sand holes/porosity defects, which will cause internal leakage, pressure resistance drop and shortened service life, unable to meet the long-term stable operation requirements of hydraulic systems.
Gravity Casting Targeted Solutions: As the mainstream manufacturing solution for Corrosion Resistant Gravity Permanent Mold Casting Hydraulic Components, gravity permanent mold casting process with unique metal mold rapid solidification characteristics, achieves finer grain structure and higher internal density of castings, fundamentally eliminates internal defects of hydraulic parts. It realizes one-time high-precision forming of complex structures, reduces secondary processing deformation.
We have built a complete exclusive material and process system for Corrosion Resistant Gravity Permanent Mold Casting Hydraulic Components, with full technical support from the professional R&D team of Losier Technology Development Co., Ltd. According to the product's corrosion resistance and mechanical property requirements, we can select high-quality corrosion-resistant aluminum alloys, stainless steel and other base materials for customized matching, and optimize the melt purification and refining process to remove impurities and gas in the molten metal, ensuring the uniformity and stability of material properties.
The professional R&D team uses computer-aided design, 3D motion simulation and finite element analysis to complete the optimization of product structure, mold design and casting process parameters. The high-precision metal mold with temperature control system is used to ensure uniform cooling of castings, and the optimized heat treatment process is adopted to further improve the fatigue resistance and corrosion resistance of the products.
We can provide a variety of targeted surface treatment processes for our Corrosion Resistant Gravity Permanent Mold Casting Hydraulic Components according to the actual use environment, including passivation, hard anodizing, nickel plating, chemical film and other processes, to build a multi-layer anti-corrosion protection system for the product and extend the service life of parts in harsh corrosion environments.
We have established a strict full-process digital quality control system for the whole production cycle, from raw material incoming inspection to finished product delivery, each process is controlled by dedicated QC personnel layer by layer, and all inspection data are archived and traceable. Strict composition inspection and mechanical property testing are carried out for each batch of materials to ensure that the materials fully meet the production requirements of corrosion-resistant hydraulic parts.
1. Production Process Real-Time Monitoring
In the production and processing stage, real-time monitoring of key process parameters is carried out for each process, and first-piece inspection, patrol inspection and final inspection are strictly implemented to avoid batch defects.
2. Finished Product Full Inspection & Interception
In the finished product stage, 100% non-destructive testing, dimensional inspection and sealing performance verification are carried out for each product. Unqualified products are completely intercepted before delivery to ensure that each product delivered to the customer meets the design requirements.
Full-Cycle One-Stop Customized Service
We provide full-cycle one-stop customized services for customers, from preliminary technical scheme demonstration, mold design and development, sample trial production to final mass production, to meet the differentiated needs of different customers for hydraulic components. Customers only need to provide 2D/3D drawings or physical samples, and the professional technical team will provide professional material selection suggestions and process optimization schemes according to the actual working conditions of the products. We support both small batch trial production and large-scale mass production, and can flexibly adjust the production scheme according to the customer's order scale and delivery cycle requirements.
Standardized Delivery & Logistics Support
For formal mass production orders, the standard delivery cycle is around 35-45 days after the drawing and sample are confirmed, and the production schedule can be adjusted according to the customer's emergency order needs. All products are delivered through Tianjin Port and Tianjin Airport, with a mature logistics supporting system to ensure timely and efficient delivery to customers around the world.
Enterprise Development & Industry Deep Cultivation
Founded in 1986, Losier Technology Development Co., Ltd. is located in Botou City, Hebei Province, close to Beijing and Tianjin, with a convenient transportation network including Beijing-Shanghai Railway, national highways and expressways. With nearly 40 years of deep cultivation in the casting industry, the company has developed from a professional precision casting facility into a comprehensive casting enterprise integrating casting, precision machining and large-scale machine tool supporting.
Business Philosophy & Service Reputation
The company adheres to the business philosophy of "quality as the basis, innovation as the foundation, and service as the life", and always adheres to the principle of "not competing for the lowest price, but seeking the best quality". With strong technical force, advanced production and testing equipment, and a perfect quality management system, the company has provided high-quality products and honest services for more than 2,000 customers at home and abroad since its establishment, and has been widely recognized by customers for product quality and after-sales service.
| Main materials | Mild steel, carbon steel, stainless steel, steel, brass, copper, aluminum, iron, titanium, etc. |
| Surface treatment | Polishing, passivation, sandblasting, laser engraving, zinc plating, black oxide, nickel plating, chrome plating, carburizing, powder coating, clear anodizing, color anodizing, sandblasting anodizing, chemical film, brushing, polishing, electroplating gold (ABS), spray painting, brushing (acyl), laser engraving, etc. |
| Technology | Investment casting, precision casting, clay sand casting, resin bonded sand casting, resin sand casting, resin coated sand casting, shell mold casting, pre-coated sand casting, silica sol lost wax investment casting, lost foam casting process, die casting, hot forging, cold forging, etc. |
| Machining | Drilling, reaming and tapping, CNC turning, CNC milling, EDM wire cutting |
| Process | Drawing → Mold making → Die casting → Rough machining → CNC machining → Surface treatment → Product inspection → Packing |
| Standards | ISO, GB, DIN, JIS, ANSI, BSW, ASTM, ASME, BS, API, EN |
| Casting tolerances | CT4-CT8 |
| Machining tolerances | +/-0.02 mm |
| Drawings | Required, or provide samples |
| Quality assurance | 100% QC step inspection before shipment |
| File formats | PDF, DWG, DXF, IGES, STEP, XT, etc. |
| Applications | Vehicle parts, LED housing, support bracket, machine parts, motorcycle spare parts, agricultural machinery parts, engineering machinery parts, engine components, aluminum generator spare parts, engine bushings, automobile radiator accessories, power generation industrial parts, engine cylinder blocks, regulator housings, partitions, crane spare parts, general machinery parts, medical equipment components, scaffolding spare parts, defense components, construction spare parts, mining machinery parts, material handling spare parts, LED covers, LED radiators, water pump spare parts, light boxes, water pump spare parts components, general industrial equipment components, baffles, machine bases, automobile suspension spare parts, motor bases, truck parts, etc.。 |
| Packaging | Carton/wooden box/steel pallet or according to customer requirements |
| Delivery times | Mass production takes 35-45 days |
| Ports | Tianjin Port, Tianjin Airport |





