According to the data, the number of charging piles in the country has reached nearly 200,000 in 2016, of which the proportion of charging points for private passenger car charging piles has been increased to more than 80%. However, there are still relatively slow charging facilities construction in residential communities and poor charging experience. Incompatibility, high security risks, low profitability, and other ills. At the 2017 Electric Vehicle Centenary Forum held in 2017, Minister of Industry and Information Technology Miao Wei (click to view the latest news) once said that “China's new energy automotive industry is still in its infancy, although the scale of production and sales has achieved rapid growth, but the charging base Facilities still need to be accelerated." In 2016, the production and sales of new energy vehicles in China were 517,000 vehicles and 507,000 vehicles. It has been ranked first in the world for production and sales for two consecutive years.
Forged nipple
Pipe Nipple is used to connect two pieces of pipeline. There are reducing nipple and threaded short nipple. Some people call reducing nipple as Swage Nipple. Similar to pipe reducer, the type of swage nipple is concentric swage nipple and eccentric swage nipple. Manufacture of reducing nipple is MSS SP-95.
Threaded nipple is one kind of forged NPT fittings, if only one end is threaded, it is single end threaded nipple. Both ends are threaded, it is double end threaded nipple.
Threaded nipple. One end is threaded, the other end is plain.
Nipple Fitting,Swage Nipple,Pipe Nipple,Carbon Steel Nipple CANGZHOU HENGJIA PIPELINE CO.,LTD , https://www.hj-pipeline.com
In 2017, China will strive to increase the number of charging piles to 800,000 
National Energy Administration: In the whole country will add 800,000 charging piles in 2017
Recently, the National Energy Administration revealed that in order to cooperate with the promotion of electric vehicles, in 2017, China will strive to increase the number of new charging piles to 800,000, including 700,000 dedicated piles and 100,000 public piles.