(3) the cart position in a foreign country has become so common that technology is mature, the current domestic cart location and repair and maintenance service is fairly small, and a growing number of users have realized the importance and necessity of cart position and start to focus on supporting the horse cart locator.

(4) shenzhen xin car four-wheel technology research and development production for many years history, the production of the cart

Principle of patent technology and operation of the instrument in the sophistication and accuracy far ahead in domestic counterparts, and the difference between the scale of production and quality check on strictly to ensure that products comfortably cart locator of the top three in the world. To adopt advanced technology for long distance bluetooth two-way CCD, can be carried out on the double front axle, multi-axis cart detection. Especially domestic unique to frame the axis is the positioning base of world advanced measurement idea, rather than with the commonly used car with four wheels to positioning method. High precision, good repeatability, and the operation is simple, can measure all of the possible orientation Angle, very suitable for heavy vehicle manufacturers in China and the corresponding maintenance and service station popularization.