Shanghai Boqu Instrument Co., Ltd. values the quality of Residual Chlorine Meter. The raw materials and auxiliary materials we use are approved for production. The samples obtained from the production lines during and right after production are subjected to quality control tests specified by the national and international quality standards organizations. During the process quality control phase, product measurements are continuously inspected and recorded simultaneously with production. Our products must pass all controls performed according to the frequency and number of controls as defined in the quality standards and receive “Quality Certification”.

Among the numerous manufacturers of laboratory cod analyzer, Boqu Instrument is a recommended one. We integrate design, manufacturing and after-sales services to provide the best for customers. As one of Boqu Instrument's multiple product series, portable dissolved oxygen meter series enjoy a relatively high recognition in the market. All portable residual chlorine meter are produced by high quality material. With the built-in self-diagnosis function, it can make sure the accurate data be delivered. The quality control brings standardization into the product. It is widely accepted for its high measurement accuracy.

Over many years of development, our company adheres to the principle of good faith. We conduct business trade in accordance with fair and refuse any vicious business competition.