My company is the biggest supplier of raw Chinese shell. The lengths of Raw shell are 20-25cm,25-30cm,or above 28cm. My company is the biggest supplier of raw Chinese shell.The lengths of Raw shell are 20-25cm,25-30cm,or above 28cm. The raw rive shell is high quality,super white and few dark spots .The mini order is 14 tons. Package:PP bag and 45kg/bag. RAW SHELL,CHINESE RAW SHELL,RIVER SHELL