HongDu Testing Equipment CO., LTD. established in 2000.We are one of the most professional tester manufacturers in South of ***** products are main used in cable&wire, plug&socket, switch testers.All of our products are complying with the requirements of many standards, such as UL, IEC, VDE, BIS, CSA and so on. In these years, our company is stronger and stronger.Up to 2009, we have a market share at more than 70% in Shenzhen, and 56.8% at Guangdong province, and 50.2% at South of China.We have established branch offices in Suzhou, Yuyao, Zhongshan in ***** products have reached every provinces in China. we have a lot of products such as Spark Tester, Wire Life-span Tester, Wire Abrasion Tester, Flexing Test Apparatus, Tumbling Barrel Apparatus, Temperature Rising Tester, Plug&Socket Tester, Loading machine, Electronic Tensile Tester, Aging Oven, Cold Chamber, Constant Temperature&Humidity Tester, Glow Wire Apparatus, Flame Test Chamber, Power Plug Integrated Tester and so on. We believe the quality of products is the life of a company.So, all of our products will be calibrated by the independent organization before it is selled to clients, and that is also been approbated by UL. These years, our products are start to sell to oversea country.We have clients in Indonesia, Bangladesh, Iran, Iraq, Singapore and so on. We will provide you with our best sevices.