Qixins Refined Herbal Slices: The raw material is selected and treated specially. High Standard and traditional production process to ensure best quality. Produced strictly according to the content set in The Pharmacopoeia of PRC, 2000 Version standard, but it can also be manufactured to meet the instruction set by different regions. Safety controls the pesticide residues and heavy metals. Testimonial and certification of its components are available. Packed with green environmental protections satandard.