Shenzhen Yi Technology Co., Ltd. would like established in 2004, after nearly a decade of development, has become a set of product development, production and sales of high-tech enterprises. The company focuses on high-end R & D tachograph smart security product development, manufacturing and sales, is one of the largest and most professional tachograph manufacturers, but also long-term strategic partnership mainstream video chip makers Ambarella US companies. The company has a strong R & D capabilities in the industry, specializing in production capacity, excellent management team and sales team, adhere to provide customers with quality products and after-sales service, providing customers with ODM / OEM and other related businesses, products exported to Europe and America land, deep acclaim. 2012, the company's high-end tachograph own brand "KEHAN", "Branch Han" also began in the domestic market, the domestic marketing costs to launch high-quality precision products. Choose four major reasons Curhan 1:10 in brand precipitation, Ultra HD tachograph first 10 years of export brands, products exported to Europe, famous exhibition (Germany IFA, US CES Taiwan Computex, Hong Kong CSF) exhibitors 50 professional R & D team, down to the hardware components, software group the test group and other eight functional teams within the company management: Kingdee ERP management system, accessible OA paperless office system 2: Product improve the internal quality inspection and testing to ensure product excellence through six security detection test (PCBA function testing → Installed → high temperature detection function detects the whole 24 hours aging test → → → packaged whole appearance detection test) have passed the high and low temperature testing, vibration testing, eight professional and reliable test Experiment 3: Focus on quality expertise in ultra-high definition tachograph details 1 brands using imported American Ambarella Ambarella chip ultra-wide angle, loop recording, super night vision passed ISO9001 quality system certification, with the invention, utility model and appearance 30 patents 4: improve the quality of service team to provide you with effective service delivery guarantee a response within 48 hours, SF worry-free service nationwide free shipping, less than a year back that is the functional replacement for artificial damage the new host buy tachograph, said a brief would have been difficult, due to the driving record Miriam unfamiliar. Appearance known brand awareness, may be the reason the riders start to buy. What do we need tachograph brand is good? Next, we teach you the recipe for the easiest, most direct way, you can buy the most appropriate role of the best high-definition pictures tachograph. When we choose to buy tachograph, we had the first sight that is appearance. The whole appearance on the first thing that is the lens. So we can know through the lens I chose to start with the first trick, here is our tachograph common lens, high-end dedicated tachograph, have low-end, as well as the S & P clear. Why do this? Because this is a direct look at the role of tachograph night vision, night vision tachograph recording function is most of all to pay attention to the question. Also buy tachograph most worrying questions we most owners. This approach is not very simple it? These two approaches you can see at a glance is not a high-end tachograph. We go and try it