Materials - chinese site China's building materials industry, the portal to provide professional information on building materials
Construction Terms Lite In the fields of architecture and civil engineering, construction is a process that consists of the building or assembling of infrastructure. Far from being a single activity, large scale construction is a feat of human multitasking
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Metal Processing - chinese site Yantai metal processing, metal processing, machinery processing, steel processing, CNC lathes, metal processing portal Yantai