Changsha Runda Hitech Co., Ltd. is a comprehensive and professional manufacturer, being integrating in designing, developing, manufacturing, selling, installation and after-sales service of stainless steel tube fittings, pipe fittings,pneumatic fittings, valves, hose clamp, etc.Our products are widely applied to pneumatic automation equipment,biomedical engineering,water and electricity, oil industry,chemical industry,machinery manufacturing,etc.Our company is always trying to seeking development with excellent service,high quality,cost-effective products.We believe that ther is no best,but better.