The drawbacks revealed by Linyi Old Lighting City have begun to constrain its development. The market situation requires a lighting market with larger space, higher grade and more reasonable layout to restructure the existing market. The new lighting city should be born in the need of market develop
China's first 150,000-ton/year ethylene cracker, Zhenhai Refinery's ethylene cracker No. 11 cracker, began receiving naphtha on July 27, and officially began operation, marking a major breakthrough in China's ethylene production technology. This cracking furnace has the advantages of hi
On September 2, 2010, the first batch of 156 quality credit commitment companies, including Yuchai, jointly signed the “Global Quality Credit Commitment†initiative at the “First China Industrial Product Quality Reputation Forumâ€. The theme of the forum is "Cast
The equipment consisting of grindstones and millstones as the main working components is broken (powder) broken or mixed. The equipment that is broken (crushed) is called a dry mill. For example, a rotary table roller mill has a pair of grinding wheels and a grinding wheel, and the materi
Stop valve is the use of stem lift valve head driven to change the distance between the valve plate and the valve to open and close the control valve, globe valve is the most widely used in chemical production cut-off valve. Globe valve in the actual production is mainly used for water, steam, compr
1, the selection of common sense temperature control valve 2, should be based on the type of medium (steam / hot water), temperature, pressure parameters and the use of conditions (heat exchanger type, open / Circulation capacity and actuator shut-off force. 3, for steam flow control, generally refe