Go no go Thread Gauge for Lamp

AUTOSTRONG is located 20 minutes of Shen zhen international airport, is a professional product safety testing equipmentmanufacturer .We offer a wide range of product safety test equipments,many of them are in stock.Our headquarter in Kowloon Hong Kong and branch factory in Shenzhen. Shenzhen Branch factory besides 107 highway with very convenient transportation. AUTOSTRONG is a reputed manufacturer,which has engaged in Research & Development and Manufacture test equipments for many years. It is one of the listed suppliers with IECEE (International Electro technical Commission) and have gained ISO9001:2008 Certification. We have a Professional and International Team with more than 60 engineers form Germany, Hong Kong and China. We focus on provide the highest grade products and services to our clients. With almost ten years development, we are being the fastest growing manufacturer supplier of test equipments for many industrial and manufacturing scenarios. All products manufactured are strictly in accordance with various EN,IEC,CE, UL,VDE, VS, JIS, ISO,CEE,BS,FMV,GB and other similar international standards. Main Products include: Glow Wire Tester, Needle Flame Tester, Horizontal and Vertical Burning Tester, Tracking Index Tester, Textile Burning Tester, Protective Clothing Thermal Conductivity Tester, Automotive Interior Combustion Tester, Melt Dripping Tester, Building Materials Flammability Tester, Friction Tester, Accessibility Probes, Spring Impact Hammer, Electrical Safety Tester Series ,Environmental Tester,Universal Testing Machine, Socket-outlet Gauges Series and other testing instruments. We have established stable cooperation relationships with many famous international company,laboratory and authorized third party test house. Such as: WAZAU, PTL, Bureau Veritas, TUV Rheinland,TUV Product Service,SGS, CSA international, PSE Japan, UL Laboratry Sweden,Met Laboratory Inc, LG Korea, Samsung Electric Appliances Inc. etc.