Main business blank：Established in 1984， Zhejiang Zhongheng Instrument and Gauge Co.， Ltd. is a professional manufacturer of oil instruments and gauges. We are one of the National Grade Two Metrological Units and a member of China Pressure Instrument & Meter Industry Society
Main business blank：Founded in 1989， Ningbo Yuxing Water-Meter Limited Company is a backbone enterprise in the national water meter industry. Covering a total land area of 18，000 square meters， with factory workshops accounting for 10，000 square meters， our facilities are eq
Main business blank：Wenzhou Zhenglian Electrical Equipment Co.， Ltd. specializes in manufacturing electric apparatus， meters， multimeters， ammeters， voltmeters， electronic original paper， instruments and apparatus， measuring tools， hardware， plastic products， switches and so
Main business blank：Hangzhou Guanshan Instrument Factory is specialized in producing all kinds of pressure gauges and thermometers.My main products are standard pressure gauge，oil filled pressure gauge，stainless steel pressure gauge，contact pressure gauge，diaphragm pressure
Main business blank：Established in 1979， Yuyao Shenma Educational Equipments Co.， Ltd. is a professional manufacturer of general teaching apparatus in whole sets and optical microscopes. Our products are widely used in the labs of primary and middle schools.
Main business blank：Established in 1998， Sunican (Shenzhen) Optics & Electronics Technology Industry Co.， Ltd. specializes in producing cameras with Sony CCD sensors. Our company occupies an area of 2，000 square meters.
Main business blank：We are the largest manufacturer of DIY testers in China. Our extensive line of testing and measurement tools now includes alcohol breath testers， ultrasonic distance measurers， metal detectors， wood moisture testers， home swimming pool water testers， soun
