浙江中恒仪器仪表有限公司
Zhejiang Zhongheng Instrument and Gauge Co., Ltd. is a Zhejiang high-tech enterprise, member of the Pressure Gauge Association and a standardization committee. Its “Yongyi” brand offers pressure gauges, mud and drilling instruments—dozens of series and hundreds of models—some filling domestic gaps and holding national patents.
Certified to API Q1, API 8C, and quality management systems, the company manufactures strictly per international and API standards to serve customers wholeheartedly.
Website：http://www.yong-yi.com/