The company publishes the following contact details: Ruiduguoji Center, Jiukeshu, Liyuan, Tongzhou, Beijing, China, postcode 101121; telephone +86-10-81533136 and +86-10-81518268; fax +86-10-81518268; and email [email protected]. No individual contact name is published here, because no named contact has been provided for publication. If you already have a contact at the company, you can reach them through these published channels.
A useful inquiry names the model, the quantity you have in mind, the market the equipment will be used in, and the documents you need. The inquiry guide on this site lists the questions worth asking before an order, including the specification sheet for the exact model, the warranty terms for that model, the current minimum order quantity, the current lead time, and the certification documents that apply to your market. Asking those questions up front avoids the most common source of confusion in this market, which is a specification that belongs to one model being assumed to apply to another.
Listed minimum order quantities are commonly one piece, or one set for some models, and listed lead time guidance runs up to one month in peak season and within fifteen working days in the off-season. Both figures are listed guidance to be confirmed for your order, not fixed promises, and they can vary with the model and the time of year. Certificates are available upon request, and you should ask for the specific documents your market requires rather than assuming a certificate covers every market.
If you are comparing models, the product detail pages give you the documented specifications for six models, and the category pages explain what is and is not documented for the remaining families. The comparison and buying guides explain how professional equipment differs from home-use devices, how wavelengths differ, and how to read a specification table without over-reading it. Reading the page for the exact model you want, and then confirming its figures on inquiry, is the shortest reliable path from first interest to a placed order.