- Rotary vane vacuum pump X-150
- 2016-10-31 04:02
- Introduction:1. All pump body, oil tank and end cap adopts new metal mould, resin sand molding design. Nice appearance a
- vacuum gas valve DDC-JQ-B series
- 2016-10-23 17:19
- DDC-JQ-B series electro-magnetic vacuum gas valve is a special purpose valve installed in rotary vane type vacuum pump.