Baoji City in constant Instrument Co., Ltd. is a company specializing in sensors, transmitters, industrial instrumentation design, development, marketing and automation system sets of high-tech enterprises. Our products are widely used in aviation, aerospace, petroleum, chemical, metallurgy, electric power, geology, hydrology, to all areas of drainage, pharmaceutical, food, paper, machinery manufacturing, environmental protection, etc. in the constant company uses high-quality force-sensitive components, combined with domestic and sensors, transmitters manufacturing technology development, production seven series dozens of product specifications and the trend was the rapid expansion of the extension, since the creation of products increasing, continuous improvement, pressure, differential pressure, liquid level instrumentation transition from ordinary type the intelligent and expand HART communication. In pressure measurement and control, constant product quality, reliability and reputation. At very favorable price, excellent performance, the latest technology services in various fields. Exposure to high-tech development and new knowledge era, the constant company adhering to the exchanges and cooperation, and common progress of the idea to establish a multi-level exchanges and comprehensive technical support service system, improve synchronization with the international advanced level of technology, and the cause of the common development of China pressure measurement and control. Strong technical force, rich human resources. Has long been engaged in the production of automated instrumentation, computer applications, high-level control systems engineering and technical personnel. Constant young management company with a new knowledge and new ideas, research, production, sales and service teams, energetic, vibrant, "science and technology learning, innovation and creativity, perseverance," the scientific and realistic attitude and sincere cooperation, service, willing to all the friends and users satisfied with the results and return to contribute to social development.