Technology Creates Clear Transmission.
Recent customer cases;
Anticipate our meeting. 
       “ As we all know, BMW is one of the best German luxury car brands and enjoys global reputation.
It's quite interesting to work with BMW. Our company is based in Shanghai. Because they also use the product in Shanghai, and urgently need it, we bring our product directly to them, providing door-to-door service. After introducing the functions and testing the sound and distance on the spot, we reached the cooperation. Up to now, we have cooperated many times, and BMW has brought our products back to German headquarters and put it into use. In short, this is a very pleasant cooperation.
       “ Beijing Summer Palace is a large landscape garden. It is the most complete imperial garden preserved in China. It is known as the "Royal Garden Museum" and is also a national tourist attraction. As for this cooperation, the fundamental is to deeply understand the needs of customers, really help him solve practical problems. This is the basis of our business. During the product test period, we let the children try on our product and look at their smiling faces. Everyone there felt very warm. We take every customer seriously and cherish it very much. We try our best to let our customers see the value of our products, think for our customers, and never fail to live up to every trust of our customers. Choose us, choose to rest assured. 
       “ Hebei Tobacco Industrial Corporation belongs to China Tobacco Corporation, which is responsible for the management of Hebei Cigarette Industry.
At first, they didn't know about our products. It was doubtful whether our products could meet their requirements. After several rounds of telephone negotiation and communication, our customer manager decided to personally bring the products to the customer to demonstrate and test their performance. After several customer leaders personally participated in the test, they were particularly satisfied with our products, and our services were especially recognized.
Finally, we won the recognition and trust of our customers and signed the contract. We really appreciated their trust.
       “ The Cretaceous National Geological Park in Laiyang, Shandong Province, is known as the "Home of Chinese dinosaurs". The first dinosaur fossil in New China, Tsintaosaurus spinorhinus Young, was excavated here, and many precious dinosaur fossils and dinosaur egg fossils were discovered. It is of great scientific value. We cooperated with Laiyang Geopark for the first time in April 2018. At that time, 911 ear-hanging style was chosen. Because it is beautiful, delicate and convenient, it was deeply loved by the partners. Later, the customer offered us free tickets for the park tour. Our company's annual tour is coming. This year's destination is definitely it! 
       “ Beijing World Horticulture Expo 2019 approved by the International Association of Horticultural Producers and sponsored by the Chinese Government, is the highest level horticultural exposition held by the country. From our first contact of this project to a long deliberation on the plan, eventually the sponsor selected the radio guide system and the automatic trigger system. After that, the samples were tested on the spot. Repeated testing before put into use. Although there are many twists and turns in the middle, but eventually, both systems were recognized by the client. This cooperation has yielded a lot of fruits. High quality products and satisfactory service are our unchanging purpose
       “ China Mobile, the largest mobile communication company in the world, is our strategic partner, which can purchase tens of millions of RMB every year.