GULI provides high-quality door control systems with a range of hardware options. Manufacturing operations are ISO 14001 and ISO 9001 certified and GULI Is recognized as a clean production company by the Guangdong Provincial government. Notably, GULI reclaims 93% of all waste water which is cleaned and reused within production processes, dramatically reducing water consumption. GULI also responsibly manages production, reprocessing all byproducts.The environmental impact of raw materials impacts sourcing decisions. For example, GULI uses Cr3+ instead of Cr6+ to plate products, reducing the toxicological impact of production. GULI produces quality products, all of which meet domestic and international performance requirements (durability, fire resistance, corrosion resistance, etc.).