Chinese rack mount server cases oem and odm factory. We are top-s group co., ltd. Located in guangdong province of china. Covering 10 000 squire. And there are 300 people working here now. Material: Spcc, sgcc, sus, al and al-alloy, etc. Processing: 1, laser cutting or nct. 2, drilling. 3, cnc bending. 4, riveting. 5, tapping. 6, finish treatment. Those are sheet metal processing. We also have stamping processing available for large quantities of precise racks. General tolerance: 0.1 mm We have dedicated ourselves in this industry for over 7 years. All our equipment are advanced. Like 3 mitsubishi laser machines, murata nct, toyokoki cnc bending machines, drilling machines, riveting machins, tapping machines, welding machines and etc. Both profound developing engineers and producing engineers are available for oem and odm services. All our works have 3 years of experience at least. We also have strict qualities assurance system to make sure every single product is the best. We are good at all kinds of racks, computer cases, brackets, lcds and etc. Looking forward to establishing stable partnership with company from all over the word. Normal safe package or as request. All products approve rohs. And we also approve iso 9001 and iso 14001.