The brand name, as presented
The brand is written in the sources as JINCHAN, and also as JIN CHAN, for a metallic ore dressing agent, and the company website also describes it as the Jinchan environmental-friendly gold dressing agent. Those spellings are kept as source-literal brand wordings on this page, and no attempt is made to settle on a single house spelling beyond the JINCHAN form used in headings, because the sources themselves vary and no verified trademark document is published here. A buyer who refers to the brand should use the JINCHAN form together with the ore and process step, so that the reference is clear without inventing a code.
The company profile describes JINCHAN as a patented brand for environmentally friendly gold extraction. That description is presented here as a company self-statement, attributed to the company profile, and no patent number is given, because no patent number is published on this site. A patent statement without a number is a positioning statement, not a document, and a buyer who needs a patent document for a particular purpose should name that purpose in an inquiry and ask what document, if any, can be provided.
What brand background does not establish
Brand background does not establish that an agent suits a particular ore, process step, or site. A brand name groups a product line and its associated topics together, and it helps a buyer find the right guides and the right inquiry pages, but it does not answer a question about a particular case. A buyer who treats brand background as evidence for a particular ore will have mistaken a name for a finding, and will receive a reply that looks well-founded while resting on nothing about that ore.
Brand background also does not establish a customer list, an export list, or a sales history. No customer is named on this page, no export country or region is listed, and no sales figure is given, because none of those items is published here on a verified basis. The exhibition background page, which lists exhibition names and years only, is the only place on this site where dated public appearances are recorded, and even there the listing is a record of names and years, not evidence of a transaction.
Brand questions for an inquiry
A brand inquiry should name the brand, the ore, and the process step, and should say whether the question concerns the brand in general, the agent at a particular step, or a document that should be requested. It should ask what the company proposes for that combination, and what information, if any, can be provided for that case. It should avoid asking for a brand history in the abstract, because a history without a question attached invites a general answer that cannot be checked against a particular order.
A brand inquiry should also ask the practical questions in the same message. Before payment, please confirm the payment method and payment terms, and in the inquiry, please confirm the minimum order quantity, the lead time, and the shipping arrangement. Certificates are available upon request, and a request that names its purpose will be answered more precisely than a general request.
Brand names as finding aids
A brand name is, among other things, a finding aid: it lets a reader find the pages that concern a particular line, and it lets a buyer refer to that line without ambiguity. Used as a finding aid, a brand name is invaluable, because it shortens every reference and prevents confusion between lines. Used as evidence, a brand name is worthless, because a name, by itself, proves nothing about a particular ore, step, or shipment. Keeping those two uses apart is the main discipline this page encourages.
A buyer who uses the brand name as a finding aid will write inquiries that are easy to follow: the brand is named at the start, the ore and step follow, and the question is then stated plainly. A buyer who uses the brand name as evidence will write inquiries that assume what needs to be shown, and will receive replies that may confirm the assumption without checking it. The difference between those two habits is small in wording and large in outcome, which is why this page dwells on it.
To ask about this page, use the inquiry form to name the ore, the process step, and the question, and ask what information is needed next.