
Zhihua manufactures manhole and well cover systems, kerbstone, paver, slope protection and drainage moulds for overseas precast factories and infrastructure contractors — with video factory audit, OEM design and export packing support.
A look inside our 9,213 m² production base — from injection moulding workshops to organised warehousing.




Based on overseas infrastructure demand, we highlight drainage systems, paver blocks, kerbstones, manhole and well cover systems and utility infrastructure moulds — while still supporting the full Zhihua precast mould catalogue.

U-drain, drainage cover, ditch slab and catch basin moulds
>Interlocking blocks, grass pavers and decorative paving slabs

L-type, S-type, slope-type, standard straight

Covers, well frames and curved shaft ring bricks for Ø70-150 cm chambers

Curved ring bricks Ø70-150 cm, straight and corner wall bricks

U-shaped cable duct, utility trench and cover moulds

Cable trench coping, corner pieces, transformer platform caps and ground anchors

Concrete solar support-base and foundation pier moulds

Revetment, river bank, canal lining and ecological block moulds

Half-I and I-shaped blocks for embankment revetment

Ecological, dovetail and grass-planting revetment blocks

Hollow blocks, hollow hexagon and flat hex pavers for revetment and landscaping

Railway cable troughs, drainage, cover slabs and utility components

Anti-slip drainage cover slabs and trench covers

Textured sidewalk, drainage and municipal cover slabs

OEM from drawings or sample photos. PP and ABS mould options
Cable trough, guardrail posts, custom designs
Six reasons overseas buyers trust us for their precast mould supply.
9,213 m² production base with injection moulding, assembly, and QC under one roof — no subcontracting surprises.
Send us a drawing or sample; we design the mould cavity, produce a prototype, and iterate until you approve.
PP and ABS raw materials with controlled wall thickness deliver consistent shape retention over hundreds of pour cycles.
We pack for flat-rack, open-top, or standard 20'/40' containers — mixed SKUs in one shipment to lower your landed cost.
Active shipments to the Middle East, Southeast Asia, Africa, CIS, and Latin America with documented loading photos.
Mould repair, replacement cavities, and usage guidance via WhatsApp — we respond within 4 hours during business days.
Independently verified quality and intellectual property — your assurance of a legitimate, innovative supplier.

Easy-demould drainage cover mould

Cement product forming mould

Wind-guide injection mould design

National certification (2023–2026)
Our moulds produce concrete elements for infrastructure projects worldwide.
Real cast concrete pieces shown in garden and outdoor paving scenes. These photos help buyers understand the finished surface effect after using concrete moulds.

Finished concrete pieces arranged in a garden-style outdoor scene, showing the final paving effect after casting.

Concrete products after demoulding and installation, suitable for landscaping, courtyard and pedestrian paving reference.