Shengxinyu Oil Drilling Tool Sales Co., Ltd. is one of a famous and well-known export corporation who specializes in supplying metallurgical detecting instrument. Being 120 kilometers away from Tianjin port, our company located in cangzhou hebei province China. With the advanced technology, scientific management and good reputation, Shengxinyu Oil Drilling Tool Sales Co., Ltd. Provides Sampler,Single-Use thermocouple, Re-Usable thermocouple, Paper tube, Thermocouple Head, Sampler Cups and othe