Mill direct · Tianjin, China · EN 10219 tube · ISO 1461 galvanising on request Seller of record: XinYonSen +86 150 2264 1456 2268199197@qq.com
Steel frame millTianjin, China · mill direct
RFQ

CASE 02 · MULTI-SPAN FILM

25,000 m² multi-span film: the house that became our 8 m reference.

A municipal vegetable supply base in Guiyang, built as repeating 8 m multi-span houses. This is the project the MS-800 reference configuration comes from.

Multi-span house with side-wall fans — XinYonSen
Multi-span house with side-wall fansProject photo

What was supplied

Eight-metre bays with oval arches, roll-formed gutters, C purlins punched to pattern, gutter posts and a full fitting set. The houses were supplied as repeating units so the site crew could work bay by bay without re-reading a drawing.

What the project taught us

The buyer's real constraint was not steel cost, it was site speed. Bundles that arrived in bay sequence — rather than by member type — cut erection time because the crew never sorted. That is now our default packing logic for multi-house projects, and it is why the packing plan is part of the quotation, not an afterthought.

Second lesson: at 8 m the arch section was adequate but the gutter bracket was the item that failed inspection. The bracket, not the tube, is the weak point at this span. We now quote brackets at every arch as standard.

Relevance to an export buyer

This is the configuration most export enquiries ask for, so the reference data is directly comparable — but the load case here is not yours.

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Ask for the mill certificates, the packing photos or a video call on the line. We would rather answer those questions now than after the deposit.

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