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PUBLIC-SOURCE CANDIDATE · AI-ASSISTED DRAFT · HUMAN REVIEW PENDING · NOT A VERIFIED SUPPLIER
SG
China · exact location under review · Discovery candidate — human review pending

Shanghai Guanlong Valve & Energy Saving Equipment Co., Ltd.

Publicly listed valve manufacturer focusing on intelligent control valves, electric actuators, and water utility solutions. Produces butterfly, gate, and knife gate valves for municipal water supply, drainage, and irrigation. Complies with GB/T 12238, ISO 5211, and WRAS standards.

INDEPENDENT RESEARCH · NOT AFFILIATED, AUTHORIZED OR ENDORSED BY THIS COMPANY
74%candidate score1 reviewed source
Primary productsIntelligent electric butterfly valves · Large-diameter wafer butterfly valves · Knife gate valves for sludge · Water utility actuated gate valves
Research statusDiscovery candidate — human review pending
Location signalChina · exact location under review
Last reviewed01 Sep 2026
MANUFACTURER DIFFERENCE

What this factory appears to do differently.

This brief is organized from Chinese public sources with domestic-model assistance. Every point remains tied to the source ledger and should be confirmed for the exact product and production site.

CORE SPECIALIZATIONIntelligent electric butterfly valves · Large-diameter wafer butterfly valves · Knife gate valves for sludge · Water utility actuated gate valves

Publicly listed valve manufacturer focusing on intelligent control valves, electric actuators, and water utility solutions. Produces butterfly, gate, and knife gate valves for municipal water supply, drainage, and irrigation. Complies with GB/T 12238, ISO 5211, and WRAS standards.

PUBLIC OPERATING SIGNALS
Research statusDistinct operating signals are still being verified.
WHERE BUYERS MAY FIND A FIT
Application evidence pending
Application references describe publicly stated scope, not approval for a buyer's use case.
INDUSTRIAL SOURCING DESK

Turn a broad capability into a precise requirement.

A useful supplier match begins with a drawing, application, material, tolerance, quantity and required evidence.

PRODUCT PORTFOLIO

What overseas buyers can investigate.

Product families are taken from reviewed public material. Exact model, material, standard, tolerance, certification, MOQ and capacity must be confirmed directly with the manufacturer.

PROCESS QUALIFICATION MAP

How to test the claimed manufacturing capability.

This is a sector-specific buyer workflow, not a claim that every stage is performed in-house. Ask the company to identify internal and outsourced operations.

01

Requirement

Drawing, application, tolerance and annual volume

02

Process route

Material, equipment and outsourced operations

03

Control plan

Inspection method, gauges and sampling plan

04

Release

Reports, packaging, traceability and change control

Most important open checkConfirm the legal entity and ownership of the cited website
BUYER DECISION BRIEF

A useful lead,
not a finished decision.

This page deliberately separates positive signals from unanswered questions. Review both before contacting or qualifying a supplier.

SUPPORTED SIGNALS8

Structured capabilities

Intelligent electric butterfly valves · Large-diameter wafer butterfly valves · Knife gate valves for sludge

Review capability map ↓
STRUCTURED CAPABILITY MAP

Products, processes and production signals

01

Products

Intelligent electric butterfly valves72% confidence
Large-diameter wafer butterfly valves75% confidence
Knife gate valves for sludge78% confidence
Water utility actuated gate valves81% confidence
Smart actuator integration84% confidence
Rubber-lined valve body vulcanization90% confidence
Flow coefficient (Cv) calibration92% confidence
02

Equipment

Pressure cycling endurance testing87% confidence
TRANSPARENT EVIDENCE MODEL

Trust is measured, not claimed.

These indicators summarize the public material currently attached to this profile. They are research signals—not certification, endorsement or a substitute for a factory audit.

74%profile coverage
Source depth1 source
Rights-cleared media0 published assets
Open due diligence4 questions
SOURCE LEDGER

Evidence behind this profile

Sources show why a statement appears here. They do not represent our endorsement of the supplier.

01
Candidate public lead

上海冠龙阀门节能设备股份有限公司 - 公司概况

This source was collected for research triage. The legal entity, website ownership, manufacturing role and product claims have not yet passed human review.

Open public source ↗
Awaiting human review
DUE DILIGENCE GAP LIST

What still needs verification

We show missing information because an unknown is more useful to a buyer than an unsupported claim.

  • Confirm the legal entity and ownership of the cited website
  • Verify that manufacturing is performed in-house
  • Request current certificates, test reports, MOQ and lead time
  • Complete sample approval and an independent factory audit before ordering
Independent research only

Use public evidence as a starting point—not an endorsement.

Read methodology and limitations← Back to factory results