Bei Shituo (Shanghai) Machinery Co., Ltd. Long-term supply valve GO GO is a member of CIRCOR Group. Established in 1962, it has developed into the standard to provide instrumentation, petrochemical, semiconductor industry, professional top-level flow control products supplier. In 1969, PR-1 series stainless steel valve available, becoming a full range of products GO flagship product, is still the quality and the quality of US industry recognized benchmarks. CIRCOR Group consists of seven different companies. Each company is second to none in their fields. CIRCOR Group in the aerospace, military, industrial, power, shipping, pharmaceutical, chemical, petrochemical, oil and gas industry in the field to provide professional solutions for our customers. Meanwhile, CIRCOR conjunction with other good companies and products to users around the world to meet product requirements. GO personally experience how to meet your demanding even now! GO Products include: valves, back-pressure valve, electric heating, steam heating valves, diaphragm valves, cylinder valves, filters and sampling system backpressure valve. GO PR1 Series Regulator GO PR2 Series Regulator GO PR2 Series Regulator GO PR5 Series Regulator GO PR7 Series Regulator GO BP3 series back pressure valve GO BP3 Series back pressure valve GO BP6 Series back pressure valve GO BP6 Series back pressure valve GO BP8 series back pressure valve GO BP8 series back pressure valve GO BP60 series back pressure valve GO BP60 series back pressure valve GO BP66 series back pressure valve GO BP66 series back pressure valve GO CYL-1 series cylinder valve GO CYL-1 series cylinder valve GO HPR-2 Series electric heating valve GO HPR-2 Series electric heating valve