Hebei Famous Brand Certificate New High-tech Enterprise Provincial Science and Technology Achievement Certificate (Bimetal Composite Pipe Fitting) Provincial Science and Technology Achievement Certificate (Large-caliber Tee for Ultra-low Temperature Environment) Provincial Science and Technology Achievement Certificate (Fast Opening Blind plate) Provincial Science and Technology Achievement Certificate (Large-caliber Tee for Ultra-low Temperature Environment) Municipal Science and Technology Award Progress Award (Bimetal Composite Pipe) Hebei Industrial Enterprise R&D Center Certificate
