Established in 2002, we Shenzhen Ould Instrument Co., Ltd. is located in Shenzhen, and branch office in Shanghai, we have been focused on research and development, production and sales of pressure transmitters, temperature sensors and other process controlling products for nearly 20 years.With a manufacturing plant of 2000 square meters, our factory is audited to conform ISO9001 quality management system. Our products are widely used in air compressors, HVAC(Heating Ventilation and Air Conditioning), water treatment, hydraulic, food and beverage, hygiene, networking and other industries.We supply low-cost, durable and reliable solutions, we accept OEM production as well. We aim to provide high quality products and excellent service to our customers continuously.