Proprietary connections combine the characteristics of dowel, metal connector plates and shear. They are part of the most innovative connection systems.

In order to make maximum use of the steel bars in the concrete industry, so proper spacing must be provided.According to the requirement of national code of reinforced concrete structure design, the plastic space masonry of reinforced concrete protective layer is designed. The plastic reinforced cha

As a kind of effective and humane bird-repelling product, bird spikes has been widely used in various countries and regions, avoiding the adverse effects of bird landing and nesting. However, the species of birds in each country are different. It is necessary to select suitable bird thorns according

Part 1 : What is Bird Spikes ?Bird spike, other name is Bird repellent.Such as farms, orchards, wind farms and military and civilian airports, to prevent harmful birds from invading their territory and thereby endangering the safety of their labor or equipment, also called "driving birds".And it mea

With the enhancement of people's awareness of environmental protection and continuous improvement of ecological environment, the bird population and range of activities in nature have gradually increased. Bird Spikes are used to prevent birds from landing on buildings, prevent bird droppings from co