We only purchase raw materials from legitimate suppliers with relevant qualifications. Our main raw materials are various polymer materials and some coatings and inks. These all have MSDS (Material Safety Data Sheets) and are traceable.We also sample raw materials and send them to SGS for inspection.According to the EN71-3 standard, the content of various toxic chemicals has not been detected or is far below the specified limit.Before buying raw materials, we will pass the test raw materials before they are allowed to be put into storage, and we have a complete set of bills for managing raw materials, you can click here to download and view