74%profile coverage
SG
China · exact location under review · Discovery candidate — human review pendingShanghai 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.
NO AUTHORIZED COMPANY PHOTOGRAPHY PUBLISHED74%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
SGAuthorized product photography pending
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.
01Intelligent electric butterfly valves
02Large-diameter wafer butterfly valves
03Knife gate valves for sludge
04Water utility actuated gate valves
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.
Source depth1 source
Visual evidence0 assets
Open due diligence4 questions
BUYER QUICK VIEW
Decide what to inspect next.
The strongest public signals and the most important open question are grouped here so a buyer can qualify this lead without reading the full page first.
PRODUCT PORTFOLIO
What overseas buyers can source.
Product families are taken from reviewed public material. Exact model, material, standard, tolerance, certification, MOQ and capacity must be confirmed in the quotation.
Intelligent electric butterfly valves
72% public-evidence confidenceRequest specification and quote →Large-diameter wafer butterfly valves
75% public-evidence confidenceRequest specification and quote →Knife gate valves for sludge
78% public-evidence confidenceRequest specification and quote →Water utility actuated gate valves
81% public-evidence confidenceRequest specification and quote →Smart actuator integration
84% public-evidence confidenceRequest specification and quote →Rubber-lined valve body vulcanization
90% public-evidence confidenceRequest specification and quote →Flow coefficient (Cv) calibration
92% public-evidence confidenceRequest specification and quote →BUYER DECISION BRIEFA useful lead,
A useful lead,
not a finished decision.
This page deliberately separates positive signals from unanswered questions. Review both before contacting or qualifying a supplier.
Structured capabilities
Intelligent electric butterfly valves · Large-diameter wafer butterfly valves · Knife gate valves for sludge
Review capability map ↓Due-diligence gaps
Confirm the legal entity and ownership of the cited website
See what remains unknown ↓BUYER BRIEF
What we know so far
This is an AI-assisted discovery candidate assembled from a public link. The company identity, website ownership and manufacturing claims still require human review before this profile can be treated as verified evidence.
Recommended next checks① Confirm legal entity② Request current certificates③ Approve sample④ Audit production capacity
Products, processes and production signals
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
Equipment
Pressure cycling endurance testing87% confidence
Evidence behind this profile
Sources show why a statement appears here. They do not represent our endorsement of the supplier.
Candidate public lead
Awaiting human review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 ↗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