Robot Welding

Welding

We perform MIG, TIG, spot and robotic automatic welding for carbon steel, stainless steel, aluminum and ductile iron. All welded assemblies go through straightening, deburring and air tightness testing for pressure parts. Supporting complete post-weld surface treatment, we supply sturdy structural weldments for industrial machinery and equipment frames.

Capability Module	Core Service Item	Detailed Description	Application Scenario	Service Guarantee
Custom Service Capability	One-Stop OEM & ODM Welding Service	Support processing with drawing, sample or raw material. Full service includes blanking, fixture fabrication, welding, straightening, CNC secondary machining and surface finishing. Accept sampling, small & mass bulk orders.	Compressor frames, construction machinery brackets, welded sheet metal housings, equipment bases, pressure pipe welded assemblies, hardware structural weldments	3-7 days fast sampling, dedicated engineer for technical communication, free welding DFM optimization to reduce deformation and rejection rate
Weldable Materials	Full Range of Metal Materials	Carbon steel, galvanized steel, 304/316 stainless steel, aluminum alloy, cast iron, ductile iron, copper alloy; dissimilar metal welding available.	Anti-rust stainless steel enclosures, heavy-duty carbon steel frames, lightweight aluminum parts, pressure-resistant cast iron weldments, outdoor anti-corrosion assemblies	Material test certificates provided; NDT inspection available for pressure welds, full material traceability
Welding Processes	Full Range Independent Welding	MIG/MAG CO2 welding, TIG GTAW argon welding, spot welding, fillet welding, submerged arc welding, brazing; robotic automatic welding lines for mass production.	Thin sheet invisible appearance parts, thick load-bearing structures, airtight pressure welds, standardized mass weldments, high-precision assemblies	Optimal welding process matched based on plate thickness, load requirement and appearance demand, full in-house processing without outsourcing
Precision & Weld Standard	Dimension & Weld Quality Control	Overall dimension tolerance ±0.1~±0.3mm; flatness ≤0.03mm/100mm after straightening. Weld free of porosity, slag inclusion and crack. Pressure welds pass air & water tightness test.	Precision mounting brackets, high-pressure sealed housings, equipment bases, exposed decorative sheet metal, safety load-bearing structures	First article full dimension inspection, periodic batch inspection, 100% air tight test for pressure parts, full inspection reports attached with shipment
Drawing Compatibility	Multi-Format Drawing & Reverse Engineering	Compatible with 2D CAD, 3D STEP/IGS/SolidWorks/UG. Reverse engineering from physical samples, reproduction of legacy weldments, structural cost optimization support.	R&D prototype weldments, localization replacement of imported assemblies, non-standard equipment frames, spare parts reproduction for old machines	Drawing review finished within 24 hours, pre-judge welding deformation & cracking risk to optimize design
Quality Control System	Full-Process Weld Inspection	ISO9001 certified. Incoming material check, in-process patrol inspection, post-weld straightening test. MT magnetic particle, UT ultrasonic NDT and hydrostatic test available for critical pressure welds.	Compressor pressure welded housings, construction machinery load-bearing parts, outdoor safety structures, export-compliant weld assemblies	Batch inspection certificate for all goods, NDT & airtight test reports for pressure products, meet EU export standards
Production & Delivery Capacity	Manual & Robotic Welding Lines	Manual welding stations + automatic robotic welding cells, supporting cutting, straightening and polishing workshops. Monthly capacity up to 30,000 sets. Integrated stamping + CNC + welding one-stop supply.	Small batch prototype orders, annual long-term bulk contracts, complete equipment spare parts for overseas export, urgent rush orders	Standard orders delivered in 12-25 days, priority schedule for rush orders. Full customs clearance documents for export, ≥98% on-time delivery rate
Post-Weld Supporting Treatment	One-Stop Surface Finishing	Post-weld grinding, straightening, shot blasting, black oxide, electrophoresis, Dacromet, powder coating, galvanization, anodizing and polishing for aesthetic demand.	Outdoor anti-corrosion equipment, decorative display frames, corrosion-resistant fluid equipment, rust-proof storage hardware assemblies	Salt spray test report available on request, eco-friendly finish compliant with EU export regulations, stable anti-corrosion performance
After-Sales Technical Support	Full-Cycle Welding Technical Service	Custom welding fixture design, on-site process guidance, rework & straightening for defective products, continuous process optimization for mass production; remote technical support for overseas clients.	Process iteration for mass production, welding defect rectification, technical matching for overseas factory assembly	Domestic after-sales response within 24 hours, remote technical support within 72h for overseas buyers, free rework for non-artificial welding defects within warranty period

Hehua Profile

Shanghai Hehua Machinery Technology Co., Ltd. was established in 2005, and its subsidiary Hehua Machinery Technology (Kunshan) Co., Ltd. was established in 2018.

Hehua は、自動車、鉄道輸送、航空宇宙、風力原子力、産業機械、半導体封止・検査装置用ラック、新エネルギー装置、その他のハイエンド装置製造会社を専門とする会社で、主要な金属部品やコンポーネントを提供しています。

江蘇省昆山市陸家鎮星浦路66号に位置する17800平方メートル以上の工場。同社の従業員数は 160 名を超え、年間売上高は 1 億 1,000 万人民元以上です。

Hehua は ISO 9001 品質管理システム認証、IATF16949 自動車品質システム認証、EN 15085 鉄道車両および部品溶接システム認証、溶接工は EN 9606-1 資格認証に合格しています。