Recently, some companies spontaneous development of an anti-theft screw, is mainly applied to the anti-theft lock, safe anti-theft equipment. The screw38mm3mm long, thick, wavy type, is some8 technicians after four days developed.

The company set product development, design, manufacturing, sales and service in one, with independent design and production of various kinds of products the ability. The company mainly produces six angle screws, six angle flange screws and other types of stainless steel self-tapping screws, can also be based on customer demand the production of other non-standard products

Some companies in addition to the development of new products, is also committed to improving the fastener production technology, for example, a half months ago they improved the overlong screws production technology. It is reported, overlong screws is a nearly 200mm long screws, the main application and outlet bracket, home furnishing decoration decoration. Because of its length is longer, in the production process is easy to bend. In order to prevent overlong screws bent, some of the company's8 technicians through repeated experiments, reach such conclusion: overlong screws before cleaning to try in lye soak a little longer; when cleaning, try to put the wood, because wood is not only cleaning function also has a protective effect, can prevent overlong screws bending; at the same time also master overlong screws in the cleaning time,