The picture shows the production workshop of Longnan Project of Guangdong Jiayuan Technology Co., Ltd. (Data picture) Liu Lixin said, "We came to Longnan from Guangdong to invest and build the factory. First, we liked the complete industrial chain here, second, the excellent business environment and service attitude, third, the developed and convenient transportation, and fourth, the Hakka blood and culture in a continuous line." Zhou Tingli, the head of Jiangxi region of Guangdong Jiayuan Technology Co., Ltd., introduced the reason why the company chose Longnan to the reporter. On the wall of the exhibition hall of Longnan Economic and Technological Development Zone, there is a display board showing the location and traffic of Longnan. The text on it reads as follows: Longnan is located at the southernmost end of Jiangxi Province, bordering Guangdong Heping and Lianping in the south, 260 kilometers from Guangzhou and 320 kilometers from Shenzhen. It is the first city in Jiangxi and Guangdong to undertake industrial transfer and the first area in Jiangxi Province to undertake the transfer of Guangdong, Hong Kong and Macao Bay Area. At the same time, there is also a map with a number of national highways, expressways and railways connecting Longnan and Guangdong-Hong Kong-Macao Greater Bay Area (hereinafter referred to as "Greater Bay Area"). The picture shows the production workshop of Longnan Project of Guangdong Jiayuan Technology Co., Ltd. Several staff are debugging the equipment. (Data picture) Liu Lixin took a picture of Longnan City, which is adjacent to Dawan District and also a thousand-year-old Hakka ancient city, although it is not along the border and not near the sea, but in recent years, relying on the unique advantages of geography, kinship and resources, seize the opportunity of industrial spillover in Dawan District, accelerate the construction of the regional industrial cooperation demonstration zone along the border of Jiangxi and Guangdong, and strive to create the best place to undertake the transfer of electronic information industry in Dawan District. It is understood that Guangdong Jiayuan Technology Co., Ltd. has invested 5 billion yuan in the construction of electrolytic copper foil and copper clad plate production projects in Longnan, mainly producing ultra-thin lithium copper foil for high-end products. The technology of this product fills many international gaps, reaches the advanced level at home and abroad, and breaks the monopoly position of foreign enterprises in the field of ultra-thin lithium copper foil in the past. The picture shows Ganzhou Electronic Information Industry Science and Technology City. (Data map) Provided by Longnan Rong Media Center "Our project is a key extension and chain supplement project of Longnan circuit board and lithium battery industry chain, which can bring the whole industry chain alive. The products produced are mainly used in lithium battery, copper clad plate and other industries, and ultimately in the fields of new energy vehicle power battery, energy storage battery and 3C digital products, which will directly promote the upstream and downstream of Longnan electronic information industry, large and medium-sized, as well as the overall support of production, supply and marketing." Zhou Tingli said. Zhou Tingli told reporters that the company raised some key issues when negotiating with the relevant departments of Longnan to settle down. Unexpectedly, Longnan soon gave solutions and guarantees, which were very efficient, It is also a microcosm of more and more enterprises in Dawan District that have settled in Longnan in recent years. How to serve the enterprises settled in Longnan? The answer given by Longnan is the development of the whole industrial chain, the whole process of service, and the guarantee of all factors. In Longnan Enterprise Service Zone, the reporter saw a window called "Rongwan Zone". The person in charge of the window said,