sarsam

 Takahashi petrochemical lubricants the hydrogenation unit imports of high-pressure angle valve localization and technological progress, the domestic high-pressure Industrial Valve spool, the life of the stem close to the level of similar foreign products. High-pressure Butterfly Valve lubricating oil hydrogenation unit decompression system equipment, because of the design, a key component of the high-pressure angle valve spool, the stem often damaged. To foreign manufacturers purchase equipment accessories process takes six months, and expensive. Therefore, Takahashi petrochemical equipment power at Transvision Instrument Division of the technical staff from the se...

ادامه مطلب