Shanghai Hualong Test Instruments Co., Ltd, Established on May 8th, 1993, is a leading specialist manufacturer and supplier in China. We have implemented a complete administration and supervision system from the top down. Every process is controlled according to ISO9001. All the marketing department, science research department, manufacture department and after-service department make every effort to provide the best quality products and the perfect services to our clients. Hualong has more than 10 branch offices set around China such as in Beijing, Guangzhou, Xi’an, Zhengzhou, Taiyuan,...