Beijing Hong Da Hard Materials Technology Research Institute is a professional sandblasting nozzles manufacturer, which produces and sells Tungsten Carbide / Boron Carbide and Silicon Carbide Nozzles. Specifications are including: Straight Bore / Venturi / Angle / High-speed / Hose Instert / Curved / Flat Nozzles and so on. The length of nozzle is 30mm to 235mm, the bore size of nozzle is 0.8mm to 19mm. The design and quality of sandblasting nozzles can match with Airblast, Clemco^