Regulating valve closure of the sealing surface is one of the important valve face, the material is reasonable and its quality, a direct impact on the function and life of the control valve. Regulating valve sealing surface of the working conditions As the use of regulating valve is very wide, .......

According to the Indian Press Trust reported on April 8th, 2012, the Indian government has decided to extend the anti-dumping duty on tyres made in China and Thailand for a period of six months to protect the domestic tire industry. The anti-dumping .......

Recently, at the bidding meeting for residue hydrotreating catalysts organized by the Indonesian National Petroleum Corporation, the China Petrochemical Tendering Group won the bid and won orders for nearly 500 tons of residue hydrogenation catalyst, achieving the first large-scale hydrogenati.......

On May 26th, 2011, the Changchun Automobile Parts Laboratory, a subsidiary of SGS Standards Technical Service Co., Ltd., a leading global inspection, appraisal, testing and certification organization, was officially put into operation at the Special Vehicle Park Productivity Promotion Cen.......

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