NCP/ROHS - Is the restriction of the use of certain hazardous substances in electrical and electronic equipment. The EU (European) market bans the placing of agreed levels of lead, cadmium, mercury, hexavalent chromium, ploybrominated biphenyl (PBD) and ploybrominated biphenyl ether (PBDE) flame retardants.

Chromate Conversion - Is a procedure that chemically applies a protective coating on aluminum through immersion. The chromate coating acts like paint, protecting the zinc from white corrosion, this can make the part several times more durable on chromate layer thickness