Once customers encounter some problems with the Residual Chlorine Meter operations, installation, and other issues, they can directly come to our after-sales service members. They are warm-hearted and dedicated to helping deal with the problems by resorting to the mechanical engineers. The service members will write down the engineer advice and send them to customers through email. For urgent questions, our engineers will make a phone call to clear up the confusion. There is contact information for customers to reach, please access our website.

Shanghai Boqu Instrument Co., Ltd. is one of the foremost suppliers of handheld dissolved oxygen meter in China. We have been providing products and manufacturing service for years. As one of Boqu Instrument's multiple product series, water quality meter series enjoy a relatively high recognition in the market. Before tapping into the market, it must pass the scientific test. It is widely used in the thermal power plants, pharmaceutical industry, biochemical industry, etc. People can trust that it is safe to wear. Containing no toxic chemical residues, such as formaldehyde and aromatic amine, it does no harm to people's health. It is granted with over 20 national technical patents.

We take efforts to build cooperative relationships with clients based on mutual trust. We work with them to minimize business risk and maximize profits range so as to promote mutual development.