“Smoke! Smoke! Quickly cover your nose and mouth with a towel, orderly evacuation...†On the morning of September 21, a spectacular fire drill took place on the North Se…
Kunming Communication
Due to the development of China’s economy, China’s consumption level and consumption scale are increasing. The impact of the speed of the pos machine as the underlying application of consumer use, and its broad market pr…Yongjin Chemical Investment Management Co., Ltd., a joint venture of Tonghua Gold Coal and Henan Coal Chemical Group, a subsidiary of Danhua Technology (600844), established five wholly-owned subsidiaries of ethylene glycol projects, each of which will build an annual output of 200,000 ton…
Screw pump is a positive displacement rotor pump, which is composed of the pump screw tooth shape and the formation of a plurality of sealed chamber displacement to suction and discharge liquid. There are no theoretical leakage channels between two a…
2. The ope…
We often see vehicles covered with various propaganda signs on the road. This is the LED advertising vehicle . Many vehicle owners today do not understand the daily maintenance and mainten…
LED publicity vehicle is a kind of advertisement that everyone is very common in life. LED car is completed by a large screen, power supply, operation and other systems. In today's soc…