We are the best test hammer (rebound hammer) factory in China, located in Tianjin nankai industrial zone, our factory established in 1995, specialized in Non-Destructive Testing instruments, our main products including all kinds of test hammer and fracture detector and infrared spectrometer etc, and our products has perfect reputation in domestic market. At the beginning we produce OEM product, then we developed own brand "Century Jinwei" and approved by the market rapidly and got more and more support. We have professional team and strong techniques support, many of our engineers have even longer experiences than our company history, we have intellectual property and patent and always walking on the top of this field. Our product quality and service are the best, but cost is lower, our technology and management system guarantees that we are the best factory and the trusting partner. We never stop and satisfy with current situation and will get further develop with you. We are qualified with many certificates such as ISO9001:2000, also our technology development gets much achievement, and get national support by science innovate funds. In recent years, we are opening global market, if you are in the business, don't hesitate to contact with us and trust that we can be good friends. Welcome to visit our factory, welcome to be our partner, our product, our service, our conscientious, our team and our technology will help to make success between us.