... stability of the project, low cost, practical, artistic, fashionable and durable; What's more, can reduce the pollutions to the environment. ... -proof effect, which saving a lot of energies. 4) What's more, it used widely, such as monolayer workshop, storage ... by pre-embedding anchor bolt.3. The beams and columns, beams and beams are connected with high intensity bolts.4. The envelop construction ...