BCST Group Co., Ltd is a professional manufacturer of valve and process instruments, including pneumatic globe control valve, electromagnetic flowmeter, ultrasonic flowmeter, vortex flow meter, pressure transmitter, level transmitter, etc. We have ISO9001 ,14001,28001,ATEX , SGS ,CE approval . With 20 years of manufacturing experience, we can supply customized services for valve automation, flow measurement, pressure measure, level measurement, temperature, and level measurement. Welcome to contact us at info@bcstgroup.com ! www.bcstgroup.com or www.bcstvalve.com