YS-05D Cost-effective welded steel plate  personal sound fire alarm siren

YS-05D Adopt by advanced application specific intergrated circuit core with EMF-RFI,  Excellent Weled steel plate shade with modern design looks attractive and durable. 

   Hangzhou Yasong Electronics Co., Ltd. is a commitment to research and development, production and sales of high-tech enterprises LED light source series of lights and alarm products. In the domestic production of industry-leading technology and extensive use of LED technology and voice informed alarm products to achieve green emission reductions and clear information. We specialize in emergency - Emergency Information note - the corresponding alert & ndash; receiving abnormal intelligence & ndash; confirm information guide to inform the use of intelligence for the purpose of use and installation of products to enter the mining, smelting, transportation, security and other fields.

   The company product standards in accordance with US FAA standards development, production, some products through the international ROHS, CE, Ex certification, sold worldwide. Over the years, Yasong electronic research and development in the field of alarm, production, sales, application has accumulated considerable experience. To strengthen corporate governance, the company introduced the ISO quality management system.

   We have a good team of software, hardware, architecture, planning, marketing, sale, and other professionals consisting willing to new and old customers continue to provide quality products and services. Through the joint efforts of years of continuous hard work and the company"s domestic and foreign distributors, suppliers and other partners, & ldquo; YS & rdquo; the brand has grown into the domestic first-class brand, product quality and market share of the leading domestic double.

1.Q: We have our own special requirements, can we customize it?
   A: We are manufacturer that accept customization.
2.Q: What is your delivery date?
   A: Generally,7 working days after receipt of payment,depending on the quantity.
3.Q: Can you provide sample?
   A:Some products provide free samples, freight born by you.
4.Q: How to ensure the quality of goods received?
   A: Our warranty period of one year, a year after the repair charge only material costs.

5.Q: Order process?

 1. Inquiry - Professional quotation.

 2. Confirm the type, price, voltage, quantity, payment term etc.

 3. Yasong sales send the Proforma Invoice with yasong company seal.

 4. Customer make the payment for deposit and send us Bank receipt.

 5. Inform the clients that we have got the payment and will make the samples

 according to your request, send you photos or samples to get your approval. After

 approval, we inform that we will arrange the production & inform the estimated time.

 6. Send photos to show the production line which you can see your products.

 Confirm the estimated delivery time again.

 7. Mass products photos and samples will be sent to you for approval. You can

 also arrange the third party Inspection.

 8. Clients make payment for balance and Yasong ship the cargo.

 9. Order can be say “finish” when you receive the goods and satisfy with them.

 10. Feedback to Yasong about quality, service, market suggestion. And we can

 do better.