Ceramic Ball, Pall Ring, Structured Packing manufacturer / supplier in China, offering 125y-500y 125X-500X Plastic Corrugated Plate Structured Packing, Heat Resistance 125y 250y 350y 500y PTFE Structured Packing for Rectifying Column, 125y 250y 500y Plastic Structured Packing Perforate Corrugated Plate Structured Packing and so on.