stationery
bs 7272-1/2 specification for cap/end closures to reduce the risk of asphyxiation
iso 11540 writing and marking instruments -specification for caps to reduce the risk of asphyxiation
gb 21027 request incommon use of security for student's articles of china
en 71eu toy standard
astm f963usa toystandard
cadmium content (reach annex xvii)
nickel release (reachannex xvii)
lead content (cpsia,ca prop.65)
phthalates content (ca prop.65, cpsia, reach annex xvii)
pahs content (reachannex xvii, afps gs 2014:01pak)
migration of heavymetal (en 71-3，astm f963，gb 6675.4，iso 8124-3)
antimicrobial preservative effectiveness (usp51)
microbial limit test(usp61)
