Kaifeng Changshun Electrical and Mechanical Instruments Co., Ltd. under the Yellow River in Kaifeng Air Separation Group Ltd., mainly engaged in automated instruments, electrical engineering design, installation and commissioning work. Strong technical force, with a first-class professional engineering and technical team, with automated instruments, electrical equipment installation, commissioning, technical services, technical advisory capacity, for the metallurgical, chemical and other industries to provide instruments, electrical system of selection, design , DCS and PLC system configuration, debugging. Kaifeng points for the Yellow River Air Group independent set of electricity, control system for stable operation in various air separation equipment manufacturers use by users praise.