Established in 1956, it's a designated manufactory of the Ministry of Light Induster of China and the Department of Light Industry of Jiangsu Province. Besides, it's an export base of nail-making and wire-drawing machinery complere equipment in Jiangsu Province and other regions.

At present three are 400 workers and 42 technicians. It has solid technical force, complete production equipment, advanced processing technology, computer-controlled managements, and sound product. It covers an area of 40,458sqm. There are three professional production lines with an annual capacity of 1,000 mechanical products.

The first line is to produce longing brand Z94 series full-auto nail-making machines kinds of auxiliary equipment. Complete in variety, the products are used to produce common steel and special-shaped steel nails in all specifications, such as asphalt felt nails, nails for rows of tiles, U-shaped nails, twist nails and etc..

The second line is to produce 350 water-tank wire-drawing machines, 350 450 560 combination wire-drawing machines kinds of auxiliary equipment, which are used to draw low-, mid- and high-carbon steel wires, as well as nonferrous metals such as coppwr and aluminum.

The third line is to produce high-efficient multi-function vacuum paint-immersed direr direr which is used for the paint-immersed drying of wire set of electric appliances, electric machines.

Its products, with the trademark of long ting, sell well throughout the country and have been exporter to more than 30 countries and regions, Middle East, Africa and East Europe, winning high reputation both at home and abroad. Long ting brand Z94 series full-auto nail-making machine won quality product of Jiangsu proving in 1987, bronze medal of beijing Int'l fair in 1991, and China's famous product in 1993. The high-efficient multi-function vacuum paint-immersed direr won gold medal of Jiangsu Second-session Energy-saving Products Wxhibition in 1993, innovative prize of China Patent Technology Fair in April 1994.