Quality

Every department, every product.

QualityQuality is a companywide priority for Delta/ZTR; we’ve been certified to ISO 9001 since 1995, and to ISO 9001-2000 since 2003. Our products also meet the requirements of other major international standards such as ANSI and IEC.

We’ve introduced more than 140 innovations to the market, covered by more than 45 patents.