OUR DOCUMENTS TRADEMARK REGISTRATION CERTIFICATE TSE CRITERIA CONFORMITY CERTIFICATE INDUSTRIAL REGISTRY DOCUMENT QUALITY MANAGEMENT CERTIFICATE OUR CAPACITY REPORT CE DOCUMENT OCCUPATIONAL HEALTH CERTIFICATE FIRE RESISTANCE TEST REPORT FOR WELDED DKP DUCTS CIRCULAR PRODUCTS OUR TSE CERTIFICATE RECTANGULAR PRODUCTS OUR TSE CERTIFICATE CONTACT Fatih, İstanbul Park Blv. 34956 Tuzla/İstanbul +90 (216) 561 29 09 +90 (537) 526 65 29 +90 (216) 561 29 19 gumus@gumusmekanik.com.tr Our company based in the UK Silver Greentech Air Systems Ltd. PHONE +44 1473 939753 ADDRESS 70-72 The Havens,RansomesIndustrial Estate,Ipswich Ipswich IP3 9BF United Kingdom Business Hours Mon: 9:00 AM – 5:00 PM Tue: 9:00 AM – 5:00 PM Wed: 9:00 AM – 5:00 PM Thu: 9:00 AM – 5:00 PM Fri: 9:00 AM – 5:00 PM Sat: Closed Sun: Closed Facebook-f Linkedin-in