SND TECH have been specializing in the production and sales of Manhole cover, Gully grate, water meter box, pipe fittings, valves and metal casting products nearly 20 years.
Products Categories
- Manhole Cover
- Gratings
- Meter Box
- Gate Valve
We're Committed to Top-Notch Quality

Company Profile
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One-on-One Demand Communication
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Professional Technical Consultation
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Customized Solution Design
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Real-Time Production Progress Updates
Main process, ability and annual capacity
SND foundry integrates sand casting, lost foam casting, machining, painting, HDG, grinding, welding and assembly. It specializes in pipe line service and OEM metal production, with an annual output 20,000 tons.

Advanced Design, Technology Research,
Intelligent Manufacturing
English Service Introduction: Full-Cycle Service for Municipal Infrastructure Products
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Manhole CoverDuctile iron manhole cover is a type of manhole cover made of ductile iron material
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GratingsMetal structural products formed by intersecting flat steel and horizontal bars at a specific distance and using welding or locking processes
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ValveValves with main components such as valve bodies made of ductile iron material
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Pipe Fittingsductile iron pipe fittings are specialized connecting components made from ductile iron
Customized Solution Design
Your Custom Needs
We will formulate exclusive product solutions combined with production capabilities, and provide design drawings for confirmation to ensure customized products meet project requirements.
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Custom Product Design
Accurately Match Needs, Solve Concerns in Advance.
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Multi-Link Quality Control
We strictly implement three rounds of inspections — material composition testing.
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Flexible Delivery Guarantee
We customize delivery plans with professional logistics teams.



Company Honor
Adhering to the people-oriented, guests first principle of integrity service, the method of doing things carefully.
First-class Support And
After-Sales Service
After-Sales Service
We will adjust the service plan according to your project situation to achieve efficient cooperation.
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Excellent customer serviceWe supply spare parts such as manhole coverRead More
accessories, valves spares and pipe fittings joints for a long time to ensure convenient later maintenance. -
12-Month Warranty CommitmentIf there are quality problems caused by non-human factors within the warranty period, free repair or replacement services are provided, and related logistics costs are borne. check.Read More
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Long-Term Spare Parts and Replacement ServicesFor product update needs of old projects, we provide preferential replacement plans to reduce upgrade costs.Read More
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Real-Time Production Progress UpdatesWe regularly feedback production progress to you through photos, videos, or online ledgers, allowing you to keep track of the product production status at any time and avoid worries about construction delays.Read More
Latest News
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Sep 10, 2026Valve Cold Flow: The Silent Deformation That Ruins Soft Seats Without WarningValve cold flow (creep) slowly deforms PTFE soft seats under constant pressure. It triggers gradual leakage without visible cracks, causing unexpected indust... -
Sep 10, 2026The Hidden Issue Of Valve Cavitation: How Tiny Bubbles Destroy Industrial Pipelines SilentlyValve cavitation is a hidden industrial problem. Tiny vapor bubbles form and collapse inside valves, silently eroding valve components and causing unexpected... -
Sep 07, 2026Smart Automation And High-Performance Materials Drive Global Market GrowthDriven by infrastructure expansion and digital transformation, the global industrial valve market is set to hit USD 107.3 billion by 2033. Industries are shi...



