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18 years of experience as a source manufacturer of water treatment equipment, supporting ODM/OEM.

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• Tips for Avoiding Pitfalls When Purchasing Water Purification Systems |

• Smart Empowerment for Living Water | Qingqingquan: Building a New Paradigm of Proactive Service in the Water Treatment Industry with AI Water Purification Systems

• Tackling High TDS & Hard Water: How Engineered RO Skids Achieve 80%+ Recovery Without Clogging

• Why 70% of Industrial RO Membranes Fail Early—And How a 5-Stage System Cuts Water Costs by 40%

• How to Design 1TPH / 2TPH / 5TPH RO Plant for Drinking Water

• Demand for Intelligent Water Treatment Equipment is Growing Rapidly

• Intelligentization and Sustainable Development Drive the Industrial Water Treatment Industry Towards a New Future

• 2026 Water Treatment Equipment Industry Development Trends: Intelligentization, Resource Utilization, and Green Low-Carbon Development Become the Main Themes

latest products

1 T/H Fully Enclosed Water Purification Commercial RO Systems

500 L/h Two-Stage RO EDI Deionized Ultrapure Water Systems

20 Inch Filter Housings Commercial Reverse Osmosis Water Purifier

Skid-mounted 3-Stage Softening Commercial RO Systems

1000LPH Compact Two-Stage Filtration Commercial RO Systems

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Shandong Qingqingquan Environmental Protection Technology Co., Ltd. is a professional water treatment equipment manufacturer integrating R&D, production, and sales, focusing on providing water treatment equipment for residential, commercial, and industrial applications to global customers.

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Contact person: wangqiwei

Tel: +86 152 6994 7255

Email: sdqingqingquan@gmail.com

WhatsApp: +86 152 6994 7255

Add: Room 2004, Building A12, Lushan Center, Liuqing Street, Lanshan District, Linyi City, Shandong Province, China