Read the product reference before the family name
The PLZ V1 product group contains a metal reusable listing as well as listings described as disposable pen platforms. This makes the family page useful for discovery, but it also means that V1 alone does not tell a buyer which configuration is being discussed.
A practical shortlist should preserve the exact product title and page address. Do not copy the capacity from one listing, the body description from another and the use type from a third into a combined specification.
Separate visible catalog facts from open questions
For each candidate, record the stated use type, body material, capacity description and included components, where available. Leave missing information marked as unconfirmed. If a page uses a broad phrase such as OEM supported, ask which options apply to that particular item.
For example, the metal reusable V1 listing is described as an 80U model with an aluminum alloy body. That information should not be transferred to a disposable V1 listing simply because both appear in the same group. Likewise, a cartridge description on a disposable listing is not proof of compatibility for another V1 configuration.
Use product references to compare offers. Ask PLZ whether two similar listings represent distinct configurations, different presentations of the same platform or options requiring further clarification.
Use a decision record rather than a single preferred image
Write down why each candidate remains on the shortlist. Relevant reasons could include the intended supply format, required appearance or an interface that needs technical review. Identify which requirement would eliminate the candidate and what evidence is needed to decide.
A product image can help identify the discussion item, but it cannot establish the full bill of supply or technical suitability. Keep visual preference separate from confirmation of components, instructions and configuration-specific evidence.
Send an inquiry that cannot be misread
Include the product page address, intended project scope, destination market and quantities. Ask the supplier to repeat the selected configuration in its response. If you are still comparing two listings, name both and ask for a written explanation of their differences.
Review the group here: https://www.plzmedical.com/en/products/category/v1-injection-pen
Contact PLZ for model clarification: https://www.plzmedical.com/en/contact