Open mindedness, strive for excellence, and constantly surpass

Qingdao Shangzhong Electronic Technology Co., Ltd. is mainly responsible for the development and sales of water quality monitoring and dosing systems. The company adheres to the business philosophy of "pragmatism, professionalism, development, and win-win", as well as the corporate culture of "broadening ideas, striving for excellence, and constantly surpassing". The company's service field currently focuses on the development and sales of water quality monitoring and dosing systems, providing products and services such as industrial online pH meters, dissolved oxygen controllers, conductivity transmitters, resistivity controllers, pH concentration meters, residual chlorine controllers, ion meters, integrated automatic dosing devices, simple automatic dosing systems, automatic monitoring and control instruments, dosing pumps, metering pumps, dosing mixers, dosing buckets, and sludge pumps.

Qingdao Shangzhong Electronic Technology Co., Ltd. focuses on serving dosing devices and supporting products as its main business objective. In order to ensure the provision of high-quality and cost-effective products as well as higher cost-effectiveness services to customers, the main products we represent are all top-notch agents and stockists, and we always have vulnerable and consumable parts on hand to ensure the response speed and maintenance cost of after-sales service.

Main agency brands:

ApureIndustrial online PH/ORP controller, dissolved oxygen controller, industrial online conductivity meter, resistivity controller, acid-base concentration meter, laboratory PH/ORP/conductivity/ion/sodium ion meter, portable PH/ORP/conductivity meter, pen type PH/ORP/conductivity meter/soil pen, various standard solutions and installation parts, etc.

Taiwan Shangtai SUNTEXIndustrial online pH/ORP meter, acidity meter, Swiss Mettler electrode, conductivity transmitter, resistivity transmitter, dissolved oxygen/residual chlorine controller, EC tester, dissolved oxygen meter, DO analyzer, distilled water maker, electromagnetic heating stirrer, colony counter, etc.

Italian Sego：Electromagnetic metering pumpMechanical diaphragm metering pump, plunger metering pump, integrated dosing device, dosing bucket and bottom valve, injection valve, back pressure valve, safety valve, Y-shaped filter, pulse damper, liquid level switch, contact flowmeter and other pipeline accessories.

Milton Roy LMI from the United States:Electromagnetic driven metering pump, mechanical diaphragm metering pump.

Prominent from Germany:Electromagnetic metering pump, precision metering pump, explosion-proof metering pump, micro metering pump, pneumatic metering pump, mechanical diaphragm metering pump, hydraulic diaphragm metering pump, plunger metering pump, dosing bucket and bottom valve, injection valve, back pressure valve, safety valve, Y-shaped filter, pulse damper, liquid level switch, contact flowmeter and other pipeline accessories, PH controller, conductivity controller, dissolved oxygen controller, residual chlorine controller, integrated dosing device, dosing system.

German WTW:Portable pH meter, laboratory pH meter, portable conductivity, laboratory conductivity, portable dissolved oxygen meter, laboratory dissolved oxygen meter, COD analyzer, BOD analyzer, water quality analyzer, spectrophotometer, heated digester, portable residual chlorine meter, turbidity meter, multi parameter analyzer, etc.


Sanya, Taiwan:Portable mixer, liquid mixer, low-speed mixer, gear mixer, planetary mixer, high-speed mixer, vertical mixer

Wilton pneumatic pump:Plastic pneumatic pump, metal pneumatic pump.

Taiwan Chuanyuan:Submerged sludge pump, aerator, vertical centrifugal pump, submerged drainage pump, horizontal centrifugal pump, etc.

In addition, we also have Hamilton electrodes, German FLUX portable bucket pumps, Taiwan Chunding magnetic pumps, and Roots blowers.