How about the Boqu conductivity meter rejection rate?

Boqu has long been noted for its engineering excellence and commitment to quality. With an almost zero rejection rate, we rarely receive negative comments on our conductivity meter and service. We handle returns on a case-by-case basis with the ultimate objective of making you happy.  It is our sincere desire that you experience complete satisfaction with your purchasing experience. We have done our best to match your purchase with your need.

We have advanced water quality sampler to produce finest products. Shanghai Boqu Instrument Co., Ltd. focuses on providing a variety of dissolved oxygen sensor for customers. BOQU acid concentration meter has a good design. It is made by designers who are well versed with Elements of Furniture Design such as Line, Forms, Color, and Texture. It supports multi-channel measurements in water samples. The product is not susceptible to scratches, dings or dents. It has a hard surface that any force applied to it can change nothing. It is granted with over 20 national technical patents.

Boqu Instrument aims to provide users with end-to-end service quality assurance. Inquiry!