Shanghai hualong test instruments co., ltd

Shanghai HuaLong Testing Instruments Co., Ltd, Established on May 8 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.