International Trade Fair for Construction Machinery,
Building Material Machines, Mining Machines and Construction Vehicles.

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bauma CHINA 2026
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CHEN LONG GROUP CO., LTD.

SNIEC N3.189

Headquarters: China

Target Groups: Manufacturing/Aviation & space/Intelligent technology/New energy

Company

Machined products:
Precision Parts: oil pump vane&ring, valve spools, valve sleeve , shafts, cover plates, A/C compressor vanes, hydraulic pump vane,orbit motor roller, etc.

Product Category

Manufacturing/Aviation & space/Intelligent technology/New energy

Product

Engineering hydraulic vane

Product category:Equipment and accessories

Quality starts with incoming inspection – every batch is tested for metallography, hardness, tensile, ensuring material integrity. Full in‑house production – from raw to finished hydraulic vanes, all processes are completed in‑house – no outsourcing, full control and reliable delivery. Complete heat treatment line – flexibly handles various requirements, guaranteeing stable vane performance. Traceable processes – inspections at each step with complete records for full traceability. Final 100% dimensional inspection – every finished vane is checked by automatic gaging machine, eliminating deviations and meeting the highest standards. We are committed to reliable engineering hydraulic vanes through rigorous quality control and integrated manufacturing.

Orbit motor roller

Product category:Equipment and accessories

Quality starts with incoming inspection – every batch is tested for metallography, hardness, ensuring material integrity. Full in‑house production – from raw material to finished orbit motor rollers, all processes are completed in‑house, no outsourcing, ensuring quality and delivery. Complete heat treatment line – flexibly handles various requirements, guaranteeing stable roller performance. Traceable processes – inspections at each step with complete records for full traceability. Final cleaning & inspection – 100% dimensional inspection by automatic gaging eliminates deviations, and a dedicated hydrocarbon ultrasonic cleaner ensures component cleanliness. We are committed to reliable orbit motor rollers through rigorous quality control and integrated manufacturing.

Hydraulic valve spool and sleeve

Product category:Equipment and accessories

Quality starts with incoming inspection – every batch is tested for metallography, hardness, etc., ensuring material integrity. Full in‑house production – from raw material to finished valve spools and sleeves, all processes are completed in‑house, no outsourcing, ensuring quality and delivery. Complete heat treatment line – flexibly handles various requirements, guaranteeing stable performance of spools and sleeves. Traceable processes – inspections at each step with complete records for full traceability. Final 100% dimensional inspection – every finished part can be fully dimensionally checked, eliminating deviations and meeting the highest standards. We are committed to reliable hydraulic valve spools and sleeves through rigorous quality control and integrated manufacturing.

Oil pump ring

Product category:Equipment and accessories

Quality starts with incoming material inspection (metallography, hardness, tensile). Full in‑house production – from raw to finished rings, no outsourcing, ensuring quality and delivery. Complete heat treatment line – flexible for various requirements, guaranteeing stable ring performance. Traceable process – inspections at every step with full records for complete traceability. Final 100% dimensional inspection on every finished ring eliminates deviations and meets the highest standards. We are committed to reliable oil pump rings through rigorous quality control and integrated manufacturing.

Oil pump vanes

Product category:Equipment and accessories

Quality Starts from the Source Every incoming batch undergoes strict inspections – metallography, hardness, tensile testing – ensuring material integrity from day one. Full In‑House Production All processes, from raw material to finished vanes, are completed in‑house – no outsourcing. Full process control and reliable delivery. Advanced Heat Treatment Our complete heat‑treatment line handles diverse requirements flexibly, guaranteeing stable, reliable vane performance. Traceable Processes Each step has inspection checkpoints with complete records, ensuring full production traceability. Zero‑Defect Final Inspection 100% of finished vanes pass both flaw‑detection and fully automated dimensional inspection – eliminating internal defects and dimensional errors, meeting the highest standards. We are committed to high‑reliability oil pump vanes, delivered through rigorous quality control and integrated manufacturing excellence.

Company Brochure

International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines and Construction Vehicles

Exhibitor Service International

Tel. +49 89 949-20252

Exhibitor Service China

Tel. +86 21 2020-5500
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