hol ▁ ▁C ement ▁business ▁ ▁Port land ▁c ement : ▁ordinary , ▁early - str ength , ▁medium - he at ▁ ▁Rec y cling ▁services ▁ ▁F res co ▁G icle e ▁ ▁Special ty ▁products ▁business ▁ ▁Electron ic ▁materials : ▁pol yc ry st all ine ▁sil icon ▁ ▁F umed ▁sil ica ▁ ▁SH AP AL ▁products : ▁al umin um ▁nit ride ▁( pow der , ▁gran ules ) ▁ ▁IC ▁chemical s ▁and ▁the ▁clean ing ▁system : ▁high ▁pur ity ▁chemical s ▁for ▁electron ics ▁manufact uring , ▁positive - type ▁phot ores ist ▁ ▁Life ▁and ▁amen ity ▁business ▁ ▁Fine ▁Chem ical s : ▁phot och rom ic ▁d ye ▁materials , ▁hard ▁co ating ▁solutions ▁for ▁pl astic ▁l enses , ▁ph arma ce ut ical ▁bulk ▁ing red ients , ▁am ino ▁radical ▁protect ants ▁ ▁Mic rop orous ▁film : ▁poly eth yl ene ▁por ous ▁film ▁ ▁D ental ▁materials ▁ ▁Source ▁ ▁Gallery ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Official ▁global ▁website ▁▁ ▁Category : Ch em ical ▁companies ▁based ▁in ▁Tokyo ▁Category : C ement ▁companies ▁of ▁Japan ▁Category : Man ufact uring ▁companies ▁based ▁in ▁Tokyo ▁Category : Comp an ies ▁listed ▁on ▁the ▁Tokyo ▁Stock ▁Exchange ▁Category : Ch em ical ▁companies ▁established ▁in ▁ 1 9 1 8 ▁Category : J apan ese ▁br ands ▁Category : M id ori - ka i ▁Category : J apan ese ▁companies ▁established ▁in ▁ 1 9