Thermal oil heater & steam boiler manufacturer in China

Manufacturing & quality

Boiler Manufacturing Base in Linyi, China

Good boiler design depends on disciplined fabrication. Our manufacturing workflow connects material preparation, forming, welding, inspection and final system integration.

Workshop capability

Critical operations stay visible from start to finish.

Real workshop evidence supports every capability shown here: pressure-part preparation, controlled forming and welding, inspection, controls integration and final delivery preparation.

JIELI THERMAL boiler manufacturing — CNC plate cutting and preparation01

CNC plate preparation

Accurate cutting provides the foundation for repeatable forming and assembly.

JIELI THERMAL boiler manufacturing — steel plate rolling for boiler shells02

Plate rolling & forming

Shell and pressure-part geometry is formed with controlled equipment and fit-up.

JIELI THERMAL boiler manufacturing — thermal-oil heater coil winding03

Thermal-oil coil forming

Coil geometry and circulation paths are fundamental to heater performance.

JIELI THERMAL boiler manufacturing — automatic submerged-arc welding station04

Automatic welding

Mechanized welding supports stable parameters and repeatable joint quality.

JIELI THERMAL boiler manufacturing — heat-transfer coil assembly in the manufacturing workshop05

Heat-transfer assembly

Tube banks and heat-transfer surfaces are assembled against the engineering arrangement.

JIELI THERMAL boiler manufacturing — radiographic non-destructive testing room06

Non-destructive examination

Inspection and verification are built into the manufacturing sequence.

Regulatory manufacturing license

Licensed boiler and pressure vessel manufacturing.

JIELI THERMAL is licensed by Chinese regulatory authorities for boiler and pressure vessel manufacturing. Project-specific design, fabrication, inspection and documentation can follow applicable ASME, CE (PED Directive) and other standards.

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Tell us what your process needs.

Share your fuel, required capacity, operating conditions and project location. Our team will help shape the boiler and the complete system around your actual production requirements.