Qingzhou Qiangrun Environmental Protection Machinery Co., Ltd. is an integrated R&D, production, sales and after-sales service manufacturer focused on the environmental protection machinery sector — with core expertise in gold-related equipment.
Founded in 1995, Qingzhou Qiangrun Environmental Protection Machinery Co., Ltd. is headquartered in Masong Industrial Park, Huanglou Street, Qingzhou City, Weifang City, Shandong Province — a historically significant city and a recognised hub for alluvial gold machinery R&D in China.
As an integrated manufacturer, the company focuses on the environmental protection machinery sector with core work in gold-related equipment: gold mining and separation equipment, alluvial gold machinery, cutter suction dredgers, aquatic weed harvesters, and dredgers. With more than 30 years of industry experience, we manufacture and export equipment for placer and dredging projects.
Leveraging the mature local industrial resources in Qingzhou, we integrate modern design concepts with precision manufacturing processes. All products have obtained ISO9001 quality management system certification and support SGS factory inspection of goods.
Adhering to "customer-oriented and quality first", we provide one-stop solutions from product design, customized production, installation and commissioning to after-sales maintenance — with welding work performed by internationally certified welders.



From a single-product workshop in Qingzhou to a 60-country exporter of gold mining equipment.
Value-added services across every stage of the equipment lifecycle — including 24/7 customer support and exclusive OEM development.
Pre-sales technical consulting and product selection guidance based on your actual operational requirements.
Equipment installation, commissioning and trial operation, technical maintenance, system upgrades and 24/7 customer support.
R&D of exclusive gold mining equipment, dredgers, harvesters or other specialised equipment tailored to your needs.
OEM services for global distributors — flexible cooperation models to expand market reach.
Independent R&D capabilities with global supply chain coverage. Welding performed by internationally certified welders, with a professional on-site technical service team.
Products exported to Africa, South America, the Middle East, Southeast Asia, East Asia, Oceania, Eastern Europe and beyond — 60+ countries served.
Customisation services available with ready-to-ship inventory and fast delivery. OEM partnerships for global distributors.
ISO Quality Management System certified, holding Panama Certificate. Welding work performed by internationally certified welders.
Every Qiangrun unit ships with full inspection paperwork. Independent third-party verification available on request.
Third-party audited quality management covering every stage — design, sourcing, production, inspection, and after-sales support.
SGS on-site factory inspection supported for each order — pre-shipment verification of equipment and documentation.
Compliance and safety documentation for marine and dredging equipment exports across Latin American markets.
All structural welding performed by certified welders — every hull, every chassis, every cutter head.
Send your site conditions and we will reply with an equipment recommendation within 24 hours.