The company's predecessor name is Haiyan Shuangjian Standard Parts Factory. Now it is renamed Haiyan Longcheng Standard Parts Co., Ltd. It has a history of more than ten years. It specializes in manufacturing and selling all kinds of hexagon socket wood screw products and slotted hexagon bolt. At present, there are more than 50 employees, more than 10 professional and technological research and development, the company covers an area of 6 mu, has all kinds of advanced screw manufacturing machinery and equipment, and adopts advanced cold heading technology of high-quality steel.
http://www.tobuystone.com/