طلبات منتجات صناعية / كوريا الجنوبية

I am looking for a drilling screw to replace the currently used product which is Wurth.

I look for a screw anchor which have ETA report including C1 for a seismic test.

I am looking for a manufacturing company who can supply the machines used in cement mill plant, such as screw conveyors, belt conveyors, air slide conveyors, dust collectors, valves, chain conveyors and bucket elevators. If U let me know the list of company name and web address, it would be really helpful.