Located in Shandong Province of China, ZIBO YIYUAN ENGINEERING & TECHNOLOGY CO.,LTD
              is A specialist in both  research and manufacture of instruments. Yiyuan covers an area of approximate 20,000 square   meters, the construction area of which is 4600 square meter, with a fixed asset of 28,000,000 RMB. Our company owns advanced production and testing equipments, rich technical force as well as a strict quality control system.

Besides, we are one of the first-level resource suppliers of China Petroleum & Chemical Corporation (SINOPEC), and approved by ISO9001 international quality system authentication.

Yiyuan’s main products include a complete line of pressure gauges, pressure typed liquid indicators, bimetal thermometers, thermocouples and resistance temperature detectors, integrated temperature transmitters and etc, which are widely used in industries as diverse as petroleum, chemistry, engineering, metallurgy, power station and so on.

Yiyuan has won a good reputation for its excellent products and comprehensive after-sale service among customers since it was set up, and thus has established。