Shangqiu Shuangyang Environmental Protection Technology Co., Ltd was established in 2011., Henan, Central China, is a manufacturer specialized in R&D, Production, Sales and Providing One-stop Solutions for Portal Water Quality Tester (TDS Meters), TDS EC Meter, pH Meter, Soil Meter and Multi-function Meter.

We have 5,000 square meters’ standardized workshops, 3,000 square meters’ modernize warehouse, 6 standardized production lines, 20 injection-molding machines and high-precision molds, with a daily production capacity of 10,000 pieces. We have a young production and R&D teams, independent R&D, design and production of bulb sensors and circuit boards. Deeply cultivated in the industry for ten years, we have a stable chips supply chain. We support OEM/ODM to meet your various requirement. We regard quality as our life, with complete and strict quality inspection procedures, passed CE certification.