ZSJH combines 20 years of industry experience with a professional design team and steel manufacturing resources. AISC and EN 1090/CE-related credentials can be supplied with their applicable scope for project review.
ZSJH develops Tekla steel warehouse models from the agreed design information, with component scope and connection depth defined at the start. The service supports geometric coordination and the model information needed for agreed detailing outputs.

ZSJH provides comprehensive services as an EPC contractor for steel structure engineering. Our services cover the entire lifecycle of steel structure projects, from design, customization, manufacturing to construction.Its professional design team draws on 20 years of industry experience, with overseas project experience including Thailand, Italy and Guatemala.

Our steel tender quantity takeoff service creates traceable, well‑documented steel quantity schedules from tender drawings. It eliminates measurement ambiguity, hidden wastage and inconsistent bidding baselines to support fair supplier comparison. Send your tender documents to get a competitive takeoff quote.

Our steel beam‑to‑column moment connection design service delivers calculation‑backed, fabrication‑friendly moment joint solutions. It addresses risks of insufficient force transfer, poor constructability and code non‑compliance for portal frames and multi‑storey steel buildings. Share your connection forces and project specifications with ZSJH STEEL for a scope review today.

ZSJH's steel beam shop drawing service converts approved design documents into production‑ready assembly and single‑part drawings. It resolves missing fabrication dimensions, unclear hole‑weld notations and part‑mark confusion to streamline workshop manufacturing. Submit your beam design data to request a drawing quote.

Our steel fabrication drawing review spots manufacturability defects at the drawing stage. It avoids costly on‑site rework caused by dimension errors, poor weld access and bolt clearance issues before production kick‑off. Submit your shop drawing package to book a pre‑production review.