Crack Witdh Tester Export Companies List

Tianjin Jewel Electronic Instrument Co. ,Ltd is established in 1995, was a high-tech enterprise specialized in design and producing instrument. Company located in Tianjin High-tech Huayuan Industry Zone, more than 2000 square meters workshops and products R&D office. All of our products are made and assembled by ourselves, from the beginning of the company till now, we've invented and achieved many product patents, besides, because of our products with perfect quality and very competitive pric