The company introduced the advanced pelleting technique, the equipments of the nickel pipe and stainless steel pipe, which is lo Specification: The thick grain: 1.6-2.6mm (diameter) The thin grain: 1.0-1.6mm (diameter) Testing result: NaOH: 99.4%, Na2CO3:0.27%, NaCl:0.010%, Fe2O3:0.002% Testing result of the Food Grade: NaOH: 99.1%, Na2CO3:0.56%, As :<0.0003%, Heavy metal :<0.002% Pb:0.0003%, Hg: ...