Beijing Jiujiu Yuda Electromechanical Technology Co., Ltd.

JOJOVAC is a high vacuum valve manufacturer. The high vacuum electromagnetic angle valves are often used in applications to isolate gas flow in the vacuum system. It use the electromagnetic force that is generated by the coil as the power to drive the valve plate to open and close. The shaft seal is a stainless steel bellows. It has long life cycles and good sealing. The applicable working condition is air or non-corrosive gas.

Main Technical Specification

Material Valve body SS304 or Al alloy
Body sealing components viton
Plate sealing components viton
Shaft sealing components bellows
Valve body leakage rage ＜1x10-8 Pa.L/s
Pressure range 1.2 x105 Pa to 1 x10-6 Pa
Voltage AC 220V/50Hz
Position indicator LED light
Medium temperature -30℃ to +150℃
Mounting position any


Beijing Jiujiu Yuda Electromechanical Technology Co., Ltd.(JOJOVAC) is a high vacuum valve manufacture focusing on high vacuum valves. The Office is located in Daxing district, Beijing,China and the factory is in Gaobeidian City,Hebei province, which is very close to Beijing.

JOJOVAC's owner has many years of experience in high vacuum industry,coming from the vacuum valves and system business area. He is now realizing his dream of making better vacuum valves and is dedicated himself to launching new designs in the future.

JOJOVAC has capabilities in CNC machining and ultrasonic cleaning,TIG welding,electropolishing,aluminum alloy welding. In addition, it has a dust-free workshop to meet high-standard assembly requirements.

JOJOVAC is the member of the JiangSu Vacuum Society, a council member of Guagndong Vacuum Society, and a member of China Vacuum Society.

The factory has :
GB/T 19001 -2016/ISO 9001:2015 Quality Management System (QMS) ,
GB/T 24001-2016/ISO 14001:2015 ,Environmental Management System (EMS) ,
GB/T45001-2020/1S0 45001 : 2018,Occupational Health and Safety Management System.

JOJOVAC always adheres to the principles of "quality first, credibility for development, win-win cooperation, and technological innovation," with customer satisfaction as its ultimate goal. Keeping pace with the times, we conduct in-depth market research and relies on a technically strong R&D team to promote the development of new products and continuously improve manufacturing capabilities, earning widespread recognition from customers.

Our products are widely used in new energy, IC equipment, aerospace, pharmaceuticals industry and medical applications, food processing equipment, and scientific research and experiments.