Your Trusted Partner in Composite Pressure Vessels & Membrane Housings

Founded in 2003 and headquartered in Beijing’s Pinggu District, Beijing Ronsen Tech Water Treatment Equipment Co., Ltd. is a national high-tech enterprise specializing in the production of advanced composite materials for water treatment equipment. With over 20 years of deep-rooted expertise in the water industry, Ronsen Tech focuses on the supply of full-series composite tanks and membrane housings, offering comprehensive solutions for water treatment, petrochemicals, electronics, pharmaceuticals, food & beverage, brewing, and many other industries. Our products are now sold in more than 80 countries and regions worldwide.

Global Manufacturing Footprint

Ronsen Tech operates two major manufacturing bases—in Beijing Pinggu and Liaoning Chaoyang—covering a total area of over 100,000 square meters, with an annual production capacity exceeding 1,000,000 units. This dual-factory setup ensures supply chain resilience, rapid delivery, and the ability to meet both small-scale and bulk orders with consistent quality.

Our Core Values: Tenacity, Practicality, Innovation, Development

These values drive every aspect of our business—from product design and manufacturing to customer service and continuous improvement. Ronsen Tech is committed to bringing cleaner water to every person, every family, and every organization, building a healthier water world.

FRP Tanks: Engineered for Performance and Durability

Ronsen Tech’s FRP (Fiber-Reinforced Plastic) tanks are premium composite vessels designed for residential, commercial, and industrial water treatment applications. With extremely high structural strength, excellent corrosion resistance, and superior thermal insulation, these tanks serve as ideal filtration and reaction vessels for water softening, drinking water production, and industrial pure or ultrapure water generation.

Our FRP tank range covers diameters from 5" to 80" with full specification options. Whether you need a standard base, side opening, top/bottom opening, or custom configurations, Ronsen Tech has the solution. All tanks feature advanced winding technology, high-quality resin systems, and rigorous quality control to ensure long service life and reliable performance.

Residential Softener Tanks: Compact, Reliable, Global Standard

Since entering the international residential tank market in 2016, Ronsen Tech has developed 29 models of residential softener tanks that meet international quality standards. These tanks are designed to hold ion exchange resin and effectively remove calcium and magnesium ions from water, achieving efficient water softening. With diameters from 5" to 10" and capacities ranging from 3.1 to 54.1 liters, our residential tanks are compact, lightweight, and easy to integrate into household softening systems.