Chemical Portfolio & Activity Review
We review your product list, names and CAS numbers where relevant, and intended trading, storage or handling activities.
Where your actual chemicals, activities and operating model call for the Dangerous Chemicals Business License route, YOUYI reviews the chemical portfolio, confirms the licensing route, prepares the application package, coordinates submission and follows through with the competent authority.

New Chemical Trading Company — forming a company to trade chemicals, with the licensing route mapped alongside setup. Shanghai company registration
Existing Company Adding Regulated Chemical Activities — an operating company adding chemical products or activities that may call for licensing.
No-Storage Chemical Trading Model — a trading model without storage, whose route may differ from storage-based trading.
Chemical Business Needing Route Confirmation — products or activities where it is unclear whether and how licensing applies.
We review your product list, names and CAS numbers where relevant, and intended trading, storage or handling activities.
We confirm whether the Dangerous Chemicals Business License route applies to your case, or whether another route is relevant.
We review your operating model, address and premises arrangement against the likely route.
We prepare the application package and check the documents for consistency.
We draft, file or submit within the agreed scope, and handle communication with the competent authority.
We answer authority questions, prepare supplementary materials and follow the case through.

Whether and how the License route applies to your case.
What your case needs, mapped against your operating model.
Documents organized for submission within the agreed scope.
Product names, CAS numbers and company details checked across documents.
What was filed, which authority questions arose and how they were answered.
Routing into related services once the project concludes.
These factors shape which route applies and what the application package needs to show.
The address on the company’s registration. A Registration-Only Address should not be assumed suitable for a licensed operation. Registered address
Where activities actually take place. Their use may matter to the route.
Own storage, third-party storage or none, with the related agreements.
Responsible persons and safety arrangements, where the route requires them.
YOUYI reviews these before confirming your licensing scope and quote:
Send us your chemical list, intended activities, storage model, premises situation and company status. YOUYI returns the licensing route assessment, requirements list, service scope and a quotation.
Get My Licensing Plan & QuoteSend us your chemical list and business model
YOUYI confirms the licensing route
We prepare the application package
YOUYI coordinates submission and authority review
We follow through and connect the next required services
Only where they apply to your case, each scoped separately.
No. It depends on the actual chemicals, activities, operating model and applicable rules. We confirm whether the licensing route applies to your case.
No. A customer or supply-chain specification such as "semiconductor-grade" is not itself a statutory license category. We assess licensing separately, from the actual chemicals, activities and applicable rules.
Product names in Chinese and English where available, CAS numbers and concentration where relevant, intended activities, storage arrangement and operating location. The Dangerous Chemicals Business License Guide covers the fuller preparation questions.
In some models, possibly. Whether it is possible and which route applies depend on the actual products, activities and storage arrangement. We confirm the route from your actual arrangement.
Not necessarily. A registered address is the address on the company’s registration, while operating premises and any licensed premises depend on the business model and the applicable route. A Registration-Only Address should not be assumed suitable for a licensed operation.
Within the agreed scope, yes. We review the route, prepare the package, coordinate filing or submission and follow through with the authority. Final decisions belong to the competent authority.
The chemical portfolio, activities, storage model, premises arrangement, company status, personnel and safety requirements, application complexity and related modules. We quote after reviewing your chemical list.
Send your chemical list, intended activities, storage model, premises situation and company status. YOUYI returns the licensing route assessment, requirements list, service scope and a quotation.
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