Premier supplier of integrated solutions for water treatment, renewable energy, and sustainable agriculture.
View Product CatalogGreenNexus, operated by Weifang Zhongli Cheng Trading CO., LTD, is a China-based B2B supplier and exporter specializing in industrial fluid handling, water treatment filtration, solar monitoring systems, and scientific research equipment. We bridge the gap between high-quality Chinese manufacturing and global buyers seeking reliable, cost-effective solutions.
Our product portfolio spans four core categories: PVC and rubber hoses for agricultural and industrial fluid transfer, stainless steel ceramic membrane filtration systems for water and wastewater treatment, IEC-compliant photovoltaic weather stations for solar power plant monitoring, and precision laboratory instruments for academic and industrial R&D.
We serve importers, distributors, contractors, engineering firms, research institutions, and government agencies across the Middle East, Europe, Southeast Asia, and Africa. Every product undergoes rigorous quality inspection before shipment, and we provide full documentation including certificates of origin, material test reports, and compliance statements.
Greenhouse irrigation, hydroponics & climate monitoring.
Sustainable ceramic filtration, membrane distillation & chemical dosing.
Air quality sensing, dust measurement & weather stations for solar/wind applications.
Solar plant BoS components & environmental data logging.
Lab setups for energy-water nexus & sustainability studies.
High-durability piping networks for municipal & commercial use.
Established export operations to over 20 countries across the Middle East, Europe, and Africa. We understand international trade documentation, Incoterms, and logistics.
OEM and ODM services available. We can customize product specifications, branding, packaging, and certifications to match your target market requirements.
Sea freight, air freight, and door-to-door delivery options. Competitive FOB Qingdao/Shanghai pricing with transparent shipping timelines.
English-speaking sales team available via WhatsApp and email. Quick response within 24 hours, technical consultation, and after-sales service.
We accept both small trial orders and bulk container shipments. No rigid minimum order requirements — we grow with your business.
Pre-shipment inspection, material certificates, and compliance documentation provided with every order. Products meet ISO and industry-specific standards.
Contact our technical team for a catalog or quotation.
Email: zhonglicheng_ltd@163.com | greennexusmap@outlook.com
WhatsApp: +86-15169584225