May 26, 2011, known as "metal craftsmen take the square, separated from the county government prefectural health" of the reputation of Yongkang, Zhejiang, open the door ushered in the Second China International Door Industry Expo. It is reported that this door Fair will continue for three days, from the 556 well-known Chinese and foreign exhibitors door, a total of 603 booths.

Made doors and development, to open the door for innovation. It is understood, September 11, 2009, the China Construction Metal Structure Association Yongkang awarded as "China's doors." With anti-theft security door at the core products, Yongkang Door Industry, the rise in 1997, starting from the metal gate. After 13 years of unremitting efforts, the door has manufacturers 454 products, annual output of more than 25 million door frames doors, door frames exported more than 700 million, annual output value of 100 billion yuan, accounting for 70% of production in anti-theft doors, as Yongkang eight hardware industry's largest and most stable industries. Categories of products have become the dominant Yongkang hardware products, as Yongkang city card.

With this exhibition, Changling Company also has a great harvest, local dealers have to visit the company, the company's size and attitude of its staff, praise for absolutely, but also enhance the company's confidence in the dealer Changling, also Changling staff motivation, in the company's showroom, the dealer made appreciate the company's products, but also take pictures, and some dealers on the spot and the company signed the order. I believe Changling on the road in the future will be closer and better!