We have always focused on high-temperature melt pressure and temperature for precise measurement and a perfect control. Relying on technological innovation and technological progress, we are the pioneer to create our brand which has promoting the constant development of electrical measurement industry. The main products are Melt Pressure Transducer, Melt Pressure Transmitter, Intelligent Pressure Indicator, Intelligent Pressure Regulator, Pointer-typed Pressure Gauge, Melt Temperature Sensor, Intelligent Temperature Controller and other stainless steel melt. By virtue of solid scientific research strength, perfect quality assurance system, complete production and testing equipments and beliefs of constantly enterprising and pioneering, SAND has already become the most professional enterprise with great influence and scale in China and is one of the biggest manufacturers whose products have become the alternative for the similar imported products, since it is founded from 1992. Products are widely used in petroleum chemical industry, chemical fiber, textile, rubber, plastic, water treatment, air pressure machine, hydraulic machinery, air conditioning, automobile, pulp and paper, food, medicine, machinery and electronics and other related industries. Our products are exported to Europe, the United States and other 50 countries and regions and enjoy high popularity among new and old customers and agencies. Our company has always focused on enterprise management, product quality and the development of new technology with a complete pre-sale and after-sale service system. We have obtained ISO9001:2000 quality management system certificate, and related certificate for CE-Declaration of conformity, EX-Declaration of conformity and so on. Many products manufactured by us rank the first place in China. For example, The first intelligent digital pressure gauge manufactured by us; The first PID pressure regulator used for chemical fiber industry manufactured by us