Our company is one of the largest manufacturing enterprises of vacuum obtaining equipment in China. The company always adheres to the working attitude of “Professional & Precision” to constantly increase the technological content of products, as well as the developments and innovations of products. At present, there are vacuum pumps of rotary vane series (2X, XD), water ring series (SZ, 2SK, SK, 2BE), reciprocating series (WLW), roots series (ZJ) of nine specifications, roots-water ring units (JZJS), roots- rotary vane unit (JZJX), roots- reciprocating pump unit (JZJW), and other products, which are widely used in metallurgy, chemical industry, medicine, textile, food, aviation, electronic, scientific research and other industries and sections. Our company has a strong technica..