Treasol operates a production facility in Dongguan, China, specializing in MC4 compatible solar connectors, inline fuse connectors, and PV cable harness assemblies. Products follow a defined manufacturing workflow from raw material inspection through final inspection, with inspection and testing methods determined by the product specification and applicable quality requirements.
The videos on this page show the actual production process: connector assembly, screw cap locking, wire harness fabrication, and the quality checks that happen before shipment.
Controlled processes for consistent connector positioning and assembly quality.
Visual checks, conductivity tests and gauge verification at every stage.
Applicable PV connection products are available with ratings up to 1500 V DC, depending on the specific model.
TÜV Rheinland, UL, CE and RoHS documentation is available for applicable products, depending on the specific model and certification scope.
Six production stages from material inspection to shipment.
Incoming materials checked for quality, dimensional accuracy and electrical properties before production begins.
Components positioned and assembled with controlled processes to maintain consistent connection quality.
Cable preparation, terminal crimping and connector installation according to harness specifications.
Dedicated equipment tightens connector caps to consistent torque, ensuring secure mechanical connections.
Each assembled harness undergoes conductivity and resistance testing to verify electrical performance.
Appearance verification, dimension checks and batch traceability confirmed before products are released.
Real production and inspection footage from Treasol's PV connector manufacturing facility
Each product goes through visual inspection to check assembly quality and surface consistency before it moves to electrical testing.
Conductivity and contact resistance measurements verify the electrical path through each connector and harness assembly.
Connector locking force, terminal positioning and mechanical stability are checked to confirm structural integrity.
Final appearance check, quantity verification and batch traceability recording before products are packed and released.
Solar connectors for photovoltaic module connection with waterproof and electrical performance tested to 1500 V DC.
Integrated over-current protection for DC photovoltaic systems with fast installation and high temperature tolerance.
Pre-assembled solar cable sets built to customer specifications with custom lengths and connector configurations.
Products follow a defined manufacturing workflow from raw material inspection through final inspection, with inspection and testing methods determined by the product specification and applicable quality requirements. The videos on this page show the actual inspection procedures.
Yes. MC4 compatible solar connectors, inline fuse connectors and PV cable harness assemblies are core products manufactured at our Dongguan facility.
We supply solar distributors and installers across Europe, Asia, the Americas and Africa with certified PV connection products and export documentation.
Yes. OEM and customized manufacturing programs are available for distributors, EPC contractors and solar brands. Contact us with your specifications for pricing and lead time.
Whether you need standard MC4 compatible connectors, custom cable harness assemblies, or OEM production for your solar brand, Treasol delivers factory-direct with quality documentation.
Contact Treasol