About Us
About Us
Industrial Dredging Solutions Pioneer
Liaocheng Chenma Industrial and Trading Co., Ltd. specializes in engineering and manufacturing cast iron horizontal sand pumps (4"-16" discharge) and auxiliary components for global mining, dredging, and construction sectors. With over 20 years of foundry and mechanical engineering expertise, we deliver robust pumping systems engineered to handle highly abrasive slurries in extreme operating environments, particularly optimized for African infrastructure projects.
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Chenma can do
Chenma can do
01
Advanced Technology
Adopting advanced lost foam integrated molding technology, which avoids weld splicing risks, increases pump body life by over 20%, reduces flow channel surface roughness to cut turbulent loss and boost efficiency by 5-8%.
01
Advanced Technology
Adopting advanced lost foam integrated molding technology, which avoids weld splicing risks, increases pump body life by over 20%, reduces flow channel surface roughness to cut turbulent loss and boost efficiency by 5-8%.
02
Enhanced Performance
The technology elevates impeller dynamic balance from G6.3 to G4.0 (ISO1940), reducing bearing vibration loss. It also simplifies product customization, enabling flexible tailored services.
02
Enhanced Performance
The technology elevates impeller dynamic balance from G6.3 to G4.0 (ISO1940), reducing bearing vibration loss. It also simplifies product customization, enabling flexible tailored services.
03
Production Assurance
Over 20 years of experience in foundry and mechanical engineering, along with our own foundry, CNC machining center and professional quality inspection team, enable us to provide professional and guaranteed products.
03
Production Assurance
Over 20 years of experience in foundry and mechanical engineering, along with our own foundry, CNC machining center and professional quality inspection team, enable us to provide professional and guaranteed products.
04
customized services
Custom services guaranteed by proven expertise and rigorous processes—every step from needs assessment to final testing is closely overseen to ensure tailored solutions meet your exact requirements reliably.
04
customized services
Custom services guaranteed by proven expertise and rigorous processes—every step from needs assessment to final testing is closely overseen to ensure tailored solutions meet your exact requirements reliably.
Why Choose Us
Why Choose Us
Industrial Dredging Solutions Pioneer
We have always been committed to providing customers with high-quality products that feature reliable performance, competitive prices and sincere services.
▲office environment
All-round hardcore production capability
Our own precision sand casting foundry (3,000 tons/year) and high-precision CNC machining centers (turbine accuracy up to IT7) enable integrated control from casting to machining. This ensures stable, reliable production at every step, meeting high-intensity needs and strict precision standards.
Extremely strict quality checks
Hydraulic tests are conducted at 1.5x design pressure, meeting ISO9906:2012 Level 1. Plus, 72-hour continuous operation tests (simulating 30% solid-liquid conditions) verify product durability and stability in extreme environments, ensuring quality stands the test of time and use.
Deep adaptation to customized scenarios
We design around real applications. Tailored solutions for large-scale production, high precision or reliability needs ensure seamless fit with your working conditions.
production photos
production photos
Industrial Dredging Solutions Pioneer Since 2002
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