Projects
Photovoltaic installations where Longze Engineering supplied the complete steel and fastener package — steel members formed and welded in our own plant, fasteners sourced from vetted partners in the Yongnian fastener cluster and verified to standard before delivery.
Industrial building — Handan ZX Auto assembly workshop
Space-frame roof for the assembly workshop of the ZX Auto plant in Handan, Hebei. Longze supplied steel components and fasteners for the roof structure; the roof was capped on schedule.
Photovoltaic installations
Commercial and industrial rooftop PV project
Hubei Chibi fishery-solar complementary PV project
Highway PV carport project
Agriculture-solar complementary PV project
What we supplied
On projects of this type we act as the material package contractor for both halves of the build:
- Steel — C-section and U-section members, mounting rails and brackets, formed, punched and welded in our own plant
- Fasteners — bolts, nuts and washers sourced from vetted partner factories in the Yongnian fastener cluster, then verified against the applicable standard before delivery
One specification, one delivery, one point of responsibility for the whole material package.
Why this matters for fastener buyers
The same forming, punching and welding capability behind these installations sits inside the same quality management system that governs our fastener supply. Buyers who need both steel components and fasteners can specify, verify and receive them from one qualified supplier.
Certifications covering this work
Our certified scope explicitly includes photovoltaic accessories, power rail accessories and embedded parts. See Certifications & Registrations for the certificate numbers and validity dates.