Grouped the way buyers specify: by access, drainage and custom work. Every product is cast, machined and load-tested in our own plant.
Complete sets with frame, single or multi-part locking, anti-slip texture, custom logo.
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Cleanout and monument boxes, kerbside frames, made to clear-opening spec.
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Bolted, cam-lock and anti-settlement designs for highways and airports.
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Slotted gratings with hinged frames, B125–E600, matched to gully pots.
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Solid plates and slotted covers for linear drainage, made to length.
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Multi-bay gratings and non-standard clear openings on existing tooling.
See all →Patterns, moulding, melting, machining and testing sit under one roof in Jincheng — so quality is enforced on site, not outsourced.
500+ mould sizes in library; new tooling cut in-house in as little as 15 days.
02Automatic moulding line with electric melting, 100,000 tons annual capacity.
03CNC-machined sealing faces and datums for machined-accessory castings.
04CMA-accredited lab, spectrometer chemistry control, batch load tests.
05Container loading supervision, FOB Qingdao / CIF terms, full export documents.
A buying process built for overseas municipal and contracting customers.
Send drawings, size and load class. Reply within 24 h.
FOB Qingdao / CIF terms, theoretical-weight pricing.
Cover samples and material certificates on request.
Cast, machined, load-tested against EN124 classes.
Container loading supervision and export documents.
FOB QINGDAO · CIF ON REQUEST · THEORETICAL-WEIGHT PRICING · EN 124 MATCHED TO EXISTING TOOLING