Desc:Product DescriptionNeedle ValvesThe needle valve made by Hongji Instrument& Valve Manufacturing Co., Ltd. is a type of valve with a small port and a t...
Desc:Product DescriptionNeedle ValvesThe needle valve is a type of valve with a small port and a threaded, needle-shaped plunger. It allows precise regulat...
Desc:Featureslow voltage output, can directly connnect with data collecter for wireless transferlow voltage supply, can be powered by external lithium batt...
Desc:Working principleRoots vacuum pump is a kind of rotary positive-displacement type of pump. The two three-lobe rotors keep a certain gap with the housi...
Desc:Working principleRoots vacuum pump is a kind of rotary positive-displacement type of pump. The two three-lobe rotors keep a certain gap with the housi...
Desc:Product DescriptionNeedle ValvesThe needle valve made by Hongji Instrument& Valve Manufacturing Co., Ltd. is a type of valve with a small port and a t...
Desc:Product DescriptionNeedle ValvesThe needle valve made by Hongji Instrument& Valve Manufacturing Co., Ltd. is a type of valve with a small port and a t...
Desc:Product DescriptionNeedle ValvesThe needle valve made by Hongji Instrument& Valve Manufacturing Co., Ltd. is a type of valve with a small port and a t...
Desc:Product DescriptionNeedle ValvesThe needle valve made by Hongji Instrument& Valve Manufacturing Co., Ltd. is a type of valve with a small port and a t...