Quality and compliance
Certifications
The standards Sterling products and our plant are certified against. BIS licence numbers can be checked against the Bureau of Indian Standards’ licence records.
ISO 9001:2015
Quality management system certification
Manufacturing at our Vasai-Virar plant runs under an ISO 9001:2015 certified quality management system.
BIS licence: door closers
ISI mark to IS 3564:1995 · CM/L No. 7700126309
Sterling door closers are ISI marked to IS 3564:1995, the Indian Standard for hydraulically regulated door closers, under BIS licence CM/L No. 7700126309.
BIS licence: floor springs
CM/L No. 7700249814
Sterling floor springs are BIS certified under licence CM/L No. 7700249814.
UL audit
UL-audited manufacturing facility
Our manufacturing facility and processes are UL audited.
CE marking
CE
Sterling products carry CE marking.
What the ISI mark means
An ISI mark shows a product is made under a BIS licence and tested to the Indian Standard. For door closers, that standard is IS 3564. Read the guide.