Shanghai Jingoo Petroleum Apparatus Co., Ltd, established in 2003, is a manufacturer and trading company based in Shanghai, China, specializing in API gauges and related measuring instruments. The company functions as an OEM, ODM, and contract manufacturer, representing the products of top API gauge manufacturers in China, which are API-licensed and state-owned. With 51 to 100 employees, Shanghai Jingoo Petroleum Apparatus Co., Ltd holds a 60% market share in China for its products, which strictly meet API specifications and are widely used by major corporations like China National Petroleum Corporation and China Petrochemical Corporation. All gauges come with third-party calibration certificates traceable to China National Institute of Metrology and are valid for API audit. The company maintains plentiful stock for regular type and size gauges, ensuring delivery within two weeks.
Shanghai China Nuclear Weisi Instrument Co., Ltd., established in 2002, is a high-tech manufacturer and service provider specializing in advanced gas ultrasonic measurement technology. Subordinate to the China National Nuclear Puyuan Corporation, the company leverages over two decades of expertise and technical cooperation with Tongji University to deliver world-class instrumentation. Operating from a factory in Shanghai's Songjiang District with a registered capital of 70 million RMB, the firm maintains a workforce of 11 to 50 employees and holds ISO 9001 and ISO 14001 certifications.
The company's core product portfolio includes the CL series gas ultrasonic flowmeters and FCL series flow computers, designed for high-pressure long-distance pipelines and trade settlement. Their technical capabilities extend to pressure measuring instruments, manometers, temperature sensors, and online moisture analysers. As a pioneer in small-diameter and low-pressure pipeline applications, the company provides intelligent solutions for the entire natural gas supply chain, including urban gas measurement and industrial process monitoring.
Recognized as a leader in the domestic market, the company's products are integral to major infrastructure projects such as CNPC's West-to-East Gas Pipeline and Sinopec's Sichuan-to-East Gas Pipeline. Beyond manufacturing, they offer OEM and contract manufacturing services, providing comprehensive system integration for oil and gas fields, LNG projects, and flare gas monitoring. Their commitment to R&D has earned them numerous accolades, including listing in the National Torch Program and recognition as a Shanghai Hi-tech Company.