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. Our company boasts complete sets of metal processing devices, advanced testing and inspection instruments and strong technical force. We can produce 11 series and above 50 specifications of instruments and meters, such as "Yongyi" shock proof pressure gauges, mechanical tension gauges, weight indicating gauges, mud analyzing instruments, intelligentized anti-pause and anti-crash controllers, oxygen decompressors, acetylene decompressors, generic manometers, sensors, foot type grease injectors and special type instruments. Most of our products are sold to large oil fields, and are widely used in the fields of petroleum exploitation and geology. Our shock-proof electric contact pressure gauge obtains a national patent and fills in the domestic gap in this field. We always regard the principles of "sincere, faithful, reciprocal, and high quality" as our tenet. In order to guarantee high product quality, we attach great importance to enterprise management. Our products are manufactured strictly according to national standards, which make our quality more stable and competitive. Our company is running under ISO9001 and API standards which make our quality more stable and competitive. If you are interested in any of our products, please do not hesitate to contact us for more information.