To earn customers’ trust, which is also our confidence in product quality, BONOSS has fully passed more than 66 ISO standard SGS, TÜV authoritative testing, and all achieved excellent scores. BONOSS matching lug studs have passed the SGS 2,000,000 times limited life range test without damage, tensile strength≥1,220Mpa, ultimate tensile load≥152,000N, hardness (HV)≥395, NSS≥500H… By these authoritative test reports, BONOSS truly achieves the quality and professional expressed in the form of data and truly guarantees safety.